GST Compliance Guide

GST Goods and Service Tax: Registration, Returns, ITC and Compliance Guide

GST goods and service tax is India’s main indirect tax system for the supply of most goods and services. This practical guide explains GST registration, tax components, returns, input tax credit, payment, e-invoicing, e-way bills and the compliance checks Indian businesses should complete before filing.

Published: Modified: By , GST and Tax Compliance Specialist Publisher: WealthSure
GST goods and service tax compliance guide for Indian businesses by WealthSure
A practical GST guide covering registration, invoicing, returns, input tax credit, payment and business compliance.

GST goods and service tax is searched by Indian business owners, freelancers, professionals, traders, manufacturers, online sellers and finance teams who are trying to answer several different questions at once. Some want to know what GST means. Others need to decide whether registration is compulsory, understand the GST registration threshold, choose between the regular and composition schemes, file GSTR-1 or GSTR-3B, claim input tax credit, generate an e-invoice or e-way bill, pay tax through a GST payment challan, or respond to a notice. The term looks simple, but the correct compliance action depends on turnover, business model, state, customer type, place of supply, invoice data and the nature of each transaction.

GST matters because it connects everyday business records with statutory reporting. A sales invoice affects the customer’s credit, GSTR-1, GSTR-3B and tax liability. A purchase invoice may support input tax credit only when legal conditions, supplier reporting and documentation are satisfied. A wrong GSTIN, incorrect place of supply, missed credit note, incorrect tax rate or duplicate invoice can move from a bookkeeping error into a return mismatch. Payment also requires care: the business must select the correct tax period, create the correct challan, use the electronic cash and credit ledgers properly, and confirm that the liability is discharged in the electronic liability register.

For a first-time taxpayer, the most practical approach is to understand the complete compliance cycle rather than learning each form in isolation. That cycle starts with registration analysis and invoice setup, continues through sales and purchase recording, then moves to reconciliation, return filing, tax payment, and evidence preservation. Businesses subject to e-invoicing or e-way bill rules need additional controls so the invoice, movement document, books and GST portal data agree.

This article explains the system in plain Indian business language. It uses the official GST portal, CBIC GST resources, the official e-invoice system and the e-way bill system as primary reference points. Portal screens, thresholds, notifications and filing procedures may change, so current official guidance should be checked before action. WealthSure can provide expert-assisted support where registration, reconciliation, return filing, tax payment or notice handling needs a professional review.

Quick Answer: What GST Means for an Indian Business

GST is a destination-based tax on the supply of most goods and services in India. A registered business generally charges the correct GST on taxable outward supplies, reports invoice details, claims only eligible input tax credit, files the applicable returns, and pays the balance tax through the GST portal.

GST registration is not required only because a business exists. Liability depends on aggregate turnover, the nature and location of supplies, state or union territory, compulsory-registration provisions, and current exemptions. Once registered, compliance usually includes tax invoices, GSTR-1, GSTR-3B, payment and reconciliation. Some businesses must also follow e-invoicing, e-way bill, reverse charge, LUT, refund or annual-return requirements.

The safest operating rule is simple: keep the sales register, purchase register, invoices, credit notes, e-invoices, e-way bills, GSTR-1, GSTR-3B, GSTR-2B and electronic ledgers aligned before filing. Where the facts are complex, use a professional review rather than correcting errors after notices or blocked credits arise.

Key Takeaways

  • GST is charged according to the nature and place of supply, usually as CGST plus SGST or UTGST for intra-state supplies and IGST for inter-state supplies.
  • Registration depends on aggregate turnover and legal triggers, not merely on profit, bank receipts or the number of invoices.
  • GSTR-1 and GSTR-3B have different roles, but both must reconcile with books, invoices, credit notes and tax payment.
  • Input tax credit is conditional, and appearance in GSTR-2B does not automatically establish final eligibility.
  • GST payment should be verified through the electronic ledgers, challan status and filed-return acknowledgement.
  • E-invoicing and e-way bills are separate requirements with different turnover, transaction and movement tests.
  • Professional support is valuable when registration, place of supply, ITC, notices, exports or multi-state operations become complex.

What This Page Covers

  • What GST means and how it applies to common Indian business transactions.
  • Who may need GST registration and how aggregate turnover is assessed.
  • How CGST, SGST, IGST and UTGST are selected through place-of-supply rules.
  • How the regular and composition schemes differ commercially and operationally.
  • What GSTR-1, GSTR-3B, GSTR-2B and input tax credit reconciliation do.
  • How GST challans, electronic cash and credit ledgers, e-invoicing and e-way bills work.
  • Which records and controls reduce filing errors, notices and credit disputes.

Regulatory Basis and Practical Scope of This GST Guide

This guide follows the practical GST workflow used by Indian taxpayers: registration analysis, invoice setup, transaction classification, return preparation, input tax credit review, tax payment, ledger verification and record preservation. The official GST portal remains the system of record for registration, return filing, payment and taxpayer services. CBIC notifications, circulars, rules and portal advisories should be checked where a threshold, due date, exemption or procedure is material.

The article explains general compliance principles rather than deciding a reader’s legal position from one keyword. Registration liability can change based on aggregate turnover, place of supply, state, business model and compulsory-registration provisions. Input tax credit depends on eligibility conditions and evidence. E-invoicing and e-way bill applicability depend on notified thresholds and transaction facts. WealthSure can assist with interpretation, filing, reconciliation and compliance support when a business needs a documented review.

What Is GST in India and How Does It Work?

GST is an indirect tax levied on the supply of most goods and services, with tax revenue generally accruing to the destination where consumption occurs. It is collected through a staged credit mechanism: a registered supplier charges output tax, an eligible registered recipient may claim input tax credit, and each taxpayer pays the net balance subject to the law.

GST did not turn every business receipt into taxable turnover. A business must first identify whether a transaction is a supply, whether it is taxable, exempt, zero-rated or outside GST, what the time and value of supply are, which rate and classification apply, and where the place of supply lies. These decisions determine the invoice, return and payment treatment.

Business stageGST questionCore recordWhy it matters
RegistrationIs registration compulsory or voluntary?PAN-wise turnover and supply profileDetermines GSTIN and filing obligations
InvoiceWhich GST component, rate and place of supply apply?Tax invoice, bill of supply or other documentDetermines customer tax and reporting
ReturnWhat must be reported in GSTR-1 and GSTR-3B?Sales and purchase registersEstablishes outward liability and ITC claim
PaymentHow much must be paid in cash after eligible credit?Electronic ledgers and challanDischarges tax, interest, fee or other liability
ReconciliationDo books, portal data and documents agree?GSTR-2B, e-invoice and e-way bill dataReduces mismatch and notice risk

A well-run GST process is therefore a business-control system, not a monthly upload exercise. The quality of invoicing and bookkeeping determines the quality of return filing.

Who Needs GST Registration?

A person needs GST registration when the applicable turnover threshold is crossed or a compulsory-registration rule applies, subject to statutory exemptions and notifications. The analysis should be completed PAN-wise and state-wise before the liability date.

Aggregate turnover generally includes taxable supplies, exempt supplies, exports and inter-state supplies of persons having the same PAN across India. GST and specified inward supplies on which tax is payable under reverse charge are excluded from the computation. This is different from taxable turnover, profit, cash collected or the turnover of one branch.

Businesses that should review registration early

  • Traders and manufacturers approaching the goods threshold.
  • Consultants, professionals, agencies and freelancers approaching the services threshold.
  • Businesses making inter-state or e-commerce supplies where special rules may apply.
  • Entities opening branches, warehouses or places of business in another state.
  • Casual or non-resident taxable persons and persons covered by compulsory registration.
  • Businesses receiving or making supplies that trigger reverse charge or special reporting.

A business can also consider voluntary registration, but it should understand the ongoing return, invoice and payment obligations before applying. WealthSure’s GST registration support can help assess liability, collect documents and complete the application accurately.

Documents commonly needed for registration

The exact document list depends on constitution and premises, but most applications require PAN, identity and address proof of promoters or authorised persons, photographs, business constitution documents, principal place of business proof, bank details, authorisation and a valid mobile number and email for verification.

Applicant typeCommon documentsFrequent issue
ProprietorshipPAN, Aadhaar or identity proof, photograph, address proof, business premises proof, bank evidenceTrade name and ownership documents do not match
Partnership or LLPEntity PAN, partnership deed or LLP documents, partner details, authorisation, premises and bank proofAuthorised signatory resolution is incomplete
CompanyCertificate of incorporation, PAN, directors’ details, board authorisation, premises and bank proofAddress or director data differs across records
Rented premisesRent agreement, owner evidence and supporting utility or property documentConsent, ownership or address evidence is inconsistent

GST Registration Thresholds and Important Exceptions

The threshold is a starting point, not the complete registration test. Commonly referenced limits are ₹40 lakh for suppliers of goods in states that adopted the enhanced threshold and ₹20 lakh for suppliers of services, with lower limits in specified states or situations.

Supply profileCommon threshold referenceImportant caution
Exclusive supply of goodsUp to ₹40 lakh in states that adopted the enhanced limitLower limit or compulsory registration may apply
Supply of services₹20 lakh₹10 lakh may apply in specified states
Mixed supply of goods and servicesOften assessed under the general ₹20 lakh thresholdExact classification and notification position matter
Compulsory-registration categoryThreshold may not protect the personCheck exemptions and current notifications

Businesses commonly go wrong by monitoring only taxable sales in one state. Aggregate turnover is PAN-based across India and may include exempt supplies and exports. Another mistake is assuming that an inter-state or e-commerce transaction always creates registration liability without checking current statutory exceptions. The correct approach is a fact-specific review.

When the threshold alone is not enough

Check compulsory-registration provisions where the person is a casual taxable person, non-resident taxable person, tax deductor or collector, agent, input service distributor, specified e-commerce participant, or another notified category. Also review whether an exemption applies. Because these rules have changed through notifications, a current official check is essential.

CGST, SGST, IGST and UTGST: Choosing the Correct Tax Component

The tax component depends mainly on whether the supply is intra-state or inter-state after applying the relevant place-of-supply rules. The billing address alone does not always decide the answer.

Intra-state supply in a state
Usually CGST plus SGST.
Intra-state supply in a union territory
Usually CGST plus UTGST where applicable.
Inter-state supply
Usually IGST, including many import and export-related transactions.

For goods, place of supply often follows movement, delivery or installation rules. For services, the rule can change based on whether the recipient is registered, the type of service, property location, event location, performance, intermediary treatment or cross-border conditions. A consulting invoice, software subscription, restaurant service, property service and transport service may follow different rules.

Charging the wrong component can require amendment and may create cash-flow problems because payment under one head cannot always be freely shifted to another. Businesses should establish place-of-supply logic in their invoicing software and review unusual transactions before billing.

Regular GST Scheme or Composition Scheme?

The regular scheme is suitable for businesses that need input tax credit, issue tax invoices and serve customers who expect credit. The composition scheme may simplify compliance for eligible small taxpayers, but it has important commercial restrictions.

Decision factorRegular schemeComposition scheme
Tax collectionGST is charged separately on taxable suppliesTax is generally not collected separately from customers
Input tax creditEligible ITC may be claimedITC is generally not available
Customer creditBusiness customers may claim eligible ITCCustomer generally cannot claim ITC from a bill of supply
ComplianceApplicable regular returns and recordsSimplified statements and annual filing, subject to rules
Business restrictionsFewer scheme-specific restrictionsEligibility and supply restrictions apply
Best fitB2B, growing, credit-intensive or inter-state businessEligible small local business with simple operations

The commonly referenced composition threshold for eligible suppliers of goods is ₹1.5 crore in most states, with a lower limit in specified states. A separate option exists for eligible service providers within a prescribed turnover limit. Eligibility, rates and restrictions should be verified before opting in. WealthSure’s composition scheme guidance can help compare the cash-flow and customer-credit impact.

GST Returns Indian Businesses Commonly Need to File

Most regular taxpayers focus on GSTR-1 for outward supplies and GSTR-3B for summary liability, input tax credit and payment. Other forms may apply depending on scheme, registration type, transactions and annual filing requirements.

GSTR-1 versus GSTR-3B

GSTR-1 reports outward supply details. GSTR-3B reports the summary tax position and is used to discharge liability. Filing one correctly does not repair errors in the other.

FeatureGSTR-1GSTR-3B
Main purposeReport outward supply and invoice detailsDeclare summary liability, ITC and payment
Data sourceSales register, invoices, notes, e-invoice dataBooks, GSTR-1, purchase register, GSTR-2B and ledgers
Recipient impactFeeds supplier-reported invoice data for recipient visibilitySupports tax payment and ITC reporting
Key riskWrong GSTIN, invoice number, place of supply or amendmentIncorrect liability, excess ITC or wrong tax head

Businesses that need support can use WealthSure’s GSTR-1 filing assistance, GSTR-3B filing support or broader GST return filing service.

How input tax credit works in practice

Input tax credit reduces output tax liability when the purchase and claim satisfy legal conditions. A business should have a valid tax invoice, receive the goods or services, check supplier reporting, meet payment and filing conditions, and ensure the credit is not blocked or restricted. Business and exempt-use apportionment may also be required.

GSTR-2B is an important matching statement, but it should be compared with the purchase register rather than treated as the only eligibility test. A disciplined reconciliation identifies missing invoices, duplicate credits, amended invoices, ineligible expenses, reverse-charge items, import credits, supplier defaults and timing differences. WealthSure’s GST input tax credit reconciliation can support this review.

GST Payment, Challan Creation and Electronic Ledgers

GST payment begins only after the correct liability for the tax period is determined. The business should not create a challan based on an estimate without reconciling outward liability, reverse charge, interest, late fee and eligible input tax credit.

On the GST portal, a challan is created for the required tax, interest, penalty, fee or other amount under the correct heads. Successful payment generally credits the electronic cash ledger. Eligible credit is available in the electronic credit ledger. The liability register shows amounts payable and discharged. The taxpayer then offsets liability in the return using cash and credit according to permitted utilisation rules.

Payment stageWhat to checkEvidence to save
Before challanTax period, GSTIN, liability heads and amountWorking paper and draft return
After bank paymentChallan status and cash-ledger creditCIN, bank debit proof and challan
After offsetCash and credit utilisationElectronic ledger extract
After filingReturn status and acknowledgementARN and filed return copy

If money is deducted but the challan is not generated or the cash ledger does not update, check the challan status and portal reconciliation before making a duplicate payment. Preserve the bank reference and use the official grievance route if the credit remains missing.

E-Invoicing and E-Way Bill Requirements

E-invoicing validates specified invoice data through an Invoice Registration Portal, while an e-way bill supports the movement of goods. A business may need one, both or neither depending on turnover, transaction and movement facts.

The e-invoice mandate currently covers notified taxpayers with aggregate annual turnover of ₹5 crore or more in any relevant preceding financial year, subject to exemptions and covered-document rules. For taxpayers with aggregate annual turnover of ₹10 crore or more, the official IRP introduced a 30-day reporting restriction from 1 April 2025 for covered invoices and related documents. Businesses should verify the current advisory before issuing back-dated documents.

An e-way bill is commonly required for movement of goods where consignment value exceeds ₹50,000, subject to exemptions and state-specific provisions. It contains supplier, recipient, invoice, value, HSN, transport and vehicle details. An e-invoice IRN may help populate e-way bill data, but movement compliance still needs separate verification.

PointE-invoiceE-way bill
Primary purposeInvoice registration and standardised reportingDocumentation for movement of goods
Main triggerNotified turnover and covered transaction/documentGoods movement and value or specified rule
Key outputIRN and signed QR codeE-way bill number and validity
Common mistakeGenerating a normal invoice without IRN when mandate appliesWrong vehicle, distance, value or document details

WealthSure provides GST e-invoicing support and e-way bill assistance for businesses that need process design, data checks or issue resolution.

GST Compliance Errors That Commonly Create Problems

Most GST problems begin before the return is filed. Weak invoice controls, incomplete books and delayed reconciliation create errors that later appear as tax differences, blocked credit or notices.

MistakeWhy it causes troubleBetter control
Using the wrong GSTIN or place of supplyInvoice appears in the wrong state or recipient recordValidate master data before invoicing
Filing GSTR-1 without sales-register reconciliationInvoices, notes or amendments may be missingReconcile books, e-invoice and e-way bill data first
Claiming every GSTR-2B entry as ITCSome credits may be blocked, personal, exempt-use or unsupportedApply legal eligibility and document checks
Paying under the wrong tax headCash becomes locked and liability remains unpaidReview CGST, SGST, IGST and cess heads before challan
Ignoring reverse chargeLiability and cash-payment requirements may be missedMaintain an RCM transaction register
Generating e-invoice or e-way bill lateDocuments may become invalid or operations may be delayedIntegrate compliance checks into dispatch and billing
Not saving filed returns and ledgersFuture reconciliation and notice response become harderMaintain a month-wise digital evidence folder

When a notice is received, do not respond only with a short explanation. Match the notice issue to invoices, returns, ledgers, reconciliations and legal provisions. WealthSure’s GST notice response support can help prepare a documented reply.

Practical GST Examples for Indian Businesses

Example 1: Freelancer crosses the services threshold

Meera is a marketing consultant serving clients in several states. She monitors only the receipts in her current account and assumes registration is needed only after profit exceeds ₹20 lakh. The mistake is using profit and cash collection instead of PAN-wise aggregate turnover and ignoring the location and nature of supplies. The correct approach is to total all includible supplies, identify the state from which the business operates, review inter-state and e-commerce rules, and apply before the liability date if registration is required. Expert guidance can help her determine place of supply, invoice format and the first return period.

Example 2: Retailer chooses composition without checking customer needs

Arun runs a local hardware store and selects the composition scheme because it appears simpler. Many of his customers are contractors who want tax invoices and input tax credit. His common mistake is comparing only return frequency, not the commercial impact. The correct analysis should compare composition tax, blocked input credit, inability to collect tax separately, customer profile, inter-state restrictions and growth plans. A professional comparison may show that the regular scheme is operationally better despite higher compliance effort.

Example 3: Manufacturer claims purchase credit without full reconciliation

A manufacturing company claims all invoices appearing in GSTR-2B. Later, it discovers that some purchases relate to blocked motor-vehicle expenses, some goods were not received, and one supplier invoice was duplicated in the purchase register. The mistake is treating GSTR-2B as a final eligibility certificate. The correct approach is a vendor-wise reconciliation with invoice, receipt, business-use, tax classification and blocked-credit checks. Expert-assisted reconciliation can quantify the eligible claim and identify supplier follow-up.

Example 4: Online seller pays tax under the wrong head

A seller makes inter-state supplies but creates a challan mainly under CGST and SGST. The return shows IGST liability, while available cash sits in other heads. The mistake is funding the ledger without reviewing tax-head liability. The better approach is to prepare the draft return, determine the net amount under each head, use eligible credit in the permitted sequence, and then create the challan. Where cash is already deposited under the wrong head, the business should use the permitted transfer or refund process rather than making unsupported adjustments.

GST Compliance Checklist for a Monthly or Quarterly Close

  • Confirm whether registration details, addresses, bank accounts and authorised signatories remain current.
  • Close the sales register with invoice, debit-note, credit-note and advance adjustments.
  • Validate GSTINs, tax rates, HSN or SAC, place of supply and tax components.
  • Reconcile e-invoice and e-way bill data with books where applicable.
  • Compare GSTR-1 with the sales register before filing.
  • Reconcile the purchase register with GSTR-2B and apply ITC eligibility checks.
  • Identify reverse-charge transactions and required cash payment.
  • Prepare GSTR-3B from books, GSTR-1, ITC reconciliation and liability workings.
  • Create the GST challan only after reviewing tax heads and available ledgers.
  • Verify the electronic cash, credit and liability ledgers after offset.
  • Download the filed return, ARN, challan, ledger extracts and reconciliation working.
  • Track corrections, supplier follow-up and unresolved mismatches for the next period.

When Expert GST Support May Be Worthwhile

Self-service can work for a small business with a clear registration position, simple local supplies, limited invoices, reliable bookkeeping and no material mismatches. Expert-assisted GST support is safer when turnover is near a threshold, the business operates in multiple states, place-of-supply rules are complex, input tax credit is disputed, e-invoicing applies, returns are overdue, a refund or LUT is involved, or a notice has been issued.

WealthSure can support registration, regular return filing, GSTR-1 and GSTR-3B preparation, input tax credit reconciliation, e-invoicing, e-way bills, amendments, cancellation, composition decisions, reverse charge, refunds and notice responses. The objective is not merely to upload forms, but to make the books, invoices, portal data, payment and supporting records agree.

Summary: GST Goods and Service Tax

GST goods and service tax is India’s indirect tax framework for most supplies of goods and services. For a business, the system begins with registration analysis and continues through correct invoicing, return filing, input tax credit review, tax payment and reconciliation.

The most important operational controls are accurate GSTIN and place-of-supply data, alignment between books and GSTR-1, a legally reviewed GSTR-2B reconciliation, correct GSTR-3B liability, and verification of the electronic cash, credit and liability ledgers. E-invoicing and e-way bills must be checked separately where applicable.

A simple business may manage these tasks internally with disciplined records. Expert support is more appropriate when transactions are complex, thresholds are uncertain, credits are material, notices arise or the business needs multi-state, export, refund, cancellation or amendment guidance.

Build GST Compliance Around Accurate Business Records

The right answer to a GST question is rarely limited to one return or one payment. Registration, invoice design, classification, place of supply, customer credit, purchase reconciliation, tax payment and evidence all connect. When one part is wrong, the error can move into several periods and affect both the business and its customers.

Self-service may be sufficient when transactions are straightforward and records are complete. Expert-assisted support is safer when registration liability, input tax credit, e-invoicing, e-way bills, reverse charge, exports, refunds, notices or multi-state operations require interpretation. Correct GST compliance also supports cleaner bookkeeping, predictable cash flow, accurate business tax reporting and better financial planning.

Complete the compliance cycle by verifying the filed return, electronic ledgers and supporting documents, not merely by clicking submit. At WealthSure, we don’t just file taxes — we simplify your financial journey and help you build long-term wealth with confidence.

FAQs on GST Goods and Service Tax

What is GST goods and service tax in India?

GST, or Goods and Services Tax, is India’s destination-based indirect tax on the supply of most goods and services. It replaced several central and state indirect taxes and created a common framework in which tax is generally collected at each stage of the supply chain, while eligible businesses may claim input tax credit for tax paid on business purchases. The tax component depends on the place of supply: intra-state supplies normally attract CGST and SGST or UTGST, while inter-state supplies generally attract IGST. GST does not mean that every individual or business must register. Registration depends on aggregate turnover, the nature and location of supplies, compulsory-registration provisions, exemptions, and current notifications. Once registered, a taxpayer may need to issue compliant invoices, report outward supplies, file GSTR-1 and GSTR-3B, pay the net tax liability, reconcile input tax credit with records such as GSTR-2B, and preserve supporting documents. Because GST rates, thresholds, return procedures, and portal functionality can change, businesses should verify current requirements on the official GST portal or seek professional review before acting.

Who needs GST registration in India?

GST registration is generally required when a person’s aggregate turnover exceeds the applicable threshold or when a compulsory-registration provision applies. For many suppliers of goods, the commonly referenced threshold is ₹40 lakh in states that have adopted the higher limit, while a ₹20 lakh threshold may apply in specified states or situations. For suppliers of services, the commonly referenced threshold is ₹20 lakh, reduced to ₹10 lakh in specified special-category states. These limits are not universal answers because liability also depends on the type of supply, state or union territory, whether supplies are taxable or exempt, the business model, and any compulsory-registration rule. Certain persons may need registration even below the normal threshold, subject to exemptions and notifications. Aggregate turnover is calculated PAN-wise across India and includes taxable supplies, exempt supplies, exports, and inter-state supplies, while excluding GST and certain inward supplies liable under reverse charge. A business should review its exact facts before crossing a threshold rather than waiting until return filing becomes urgent.

What is the difference between CGST, SGST, IGST and UTGST?

CGST, SGST, IGST and UTGST are components through which GST is collected depending on the location of the supplier and the place of supply. For an intra-state taxable supply within a state, GST is usually split into Central GST and State GST. For an intra-state supply within a union territory without a legislature, GST is generally split into Central GST and Union Territory GST. For an inter-state taxable supply, including many imports and specified cross-border transactions, Integrated GST is generally charged. The total tax burden for a transaction may be similar, but the component and reporting treatment differ. Correct place-of-supply analysis is therefore essential. Charging CGST and SGST when IGST should apply, or the reverse, can create payment, amendment, refund, and reconciliation problems. Businesses should determine the supplier location, recipient location, delivery terms, type of supply, and relevant place-of-supply rule before issuing the invoice.

What is the GST registration threshold for goods and services?

The GST registration threshold is not one fixed number for every Indian business. Commonly applied thresholds are ₹40 lakh for suppliers of goods in states that have opted for the enhanced limit, ₹20 lakh for suppliers of services, and lower thresholds of ₹20 lakh for goods or ₹10 lakh for services in specified states or situations. However, compulsory-registration provisions, exclusions, exemptions, e-commerce rules, inter-state supplies, reverse charge, casual or non-resident taxable status, and sector-specific notifications can change the result. Aggregate turnover is computed on a PAN-India basis, not separately for each branch, and it includes taxable, exempt, export, and inter-state supplies. It excludes GST itself and certain inward supplies on which tax is payable under reverse charge. Businesses close to a threshold should monitor turnover regularly and obtain a registration-liability review rather than relying on an informal rule of thumb.

What is the difference between the regular GST scheme and the composition scheme?

The regular GST scheme is designed for registered taxpayers who charge GST on taxable supplies, claim eligible input tax credit, issue tax invoices, and file the applicable returns. The composition scheme is a simplified option for eligible small taxpayers below prescribed turnover limits. A composition taxpayer generally pays tax at a fixed percentage of turnover, files simpler periodic statements, cannot normally collect GST separately from customers, and cannot claim input tax credit. The option is subject to eligibility conditions, restrictions on certain supplies and business activities, and PAN-based turnover limits. The commonly referenced composition turnover limit for eligible goods businesses is ₹1.5 crore in most states, with a lower limit in specified states; a separate composition-like scheme exists for eligible service providers up to a prescribed turnover. Composition may reduce compliance work but can be commercially disadvantageous where customers expect input tax credit, purchases carry significant GST, or the business plans inter-state or restricted supplies. The decision should be based on customer profile, margins, purchase tax, growth plans, and eligibility rather than simplicity alone.

What are GSTR-1 and GSTR-3B, and why must both be accurate?

GSTR-1 is the statement used to report outward supply details, including invoice-level information where required. GSTR-3B is the summary return through which a taxpayer reports outward tax liability, eligible input tax credit, exempt or non-GST supplies, reverse-charge liability, and tax payment. The two forms serve different purposes but must agree with the books, invoices, credit notes, debit notes, e-invoices, and other records. A mismatch can affect the recipient’s input tax credit, create differences between reported turnover and tax paid, and lead to notices or follow-up. Businesses should not prepare GSTR-3B only from bank receipts, and they should not file GSTR-1 without checking cancelled invoices, amendments, place of supply, GSTINs, and credit notes. A monthly or quarterly reconciliation between sales register, GSTR-1, GSTR-3B, e-invoice data, e-way bills, and books reduces correction risk.

How does input tax credit work under GST?

Input tax credit allows an eligible registered taxpayer to offset GST paid on business purchases against output tax liability, subject to statutory conditions and restrictions. Broadly, the taxpayer should possess a valid tax invoice or prescribed document, receive the goods or services, ensure the supplier has reported the invoice appropriately, meet payment and return conditions, and use the purchase in the course or furtherance of business. Certain credits are blocked, proportionate reversal may be required for exempt or non-business use, and special rules apply to capital goods, reverse charge, imports, job work, and other transactions. GSTR-2B is an important reconciliation reference, but it does not by itself prove final eligibility. The purchase register, invoice data, supplier status, receipt evidence, tax classification, and legal restrictions must also be checked. Claiming credit merely because an invoice appears in GSTR-2B can be risky if the underlying transaction or documentation is defective.

How is GST paid online and how do the electronic ledgers work?

GST is normally paid through the official GST portal after the taxpayer determines the liability for the relevant tax period. A payment challan is generated, and the amount may be paid through available modes shown on the portal. Once successfully credited, the amount appears in the electronic cash ledger. Eligible input tax credit appears in the electronic credit ledger, while declared and assessed liabilities are reflected through the electronic liability register. Taxpayers use available cash and credit in the permitted order to discharge liability while filing the return. The payment receipt, challan identification number, bank debit proof, return acknowledgement, and ledger entries should be saved. If money is deducted but the challan is not updated, the taxpayer should first check the challan status and electronic cash ledger, allow for banking reconciliation where appropriate, and use the portal’s grievance mechanism if the issue remains unresolved. Creating a second challan immediately may lead to duplicate funding.

When are e-invoicing and e-way bills required?

E-invoicing and e-way bills are different compliance systems. E-invoicing generally requires notified taxpayers above the applicable aggregate annual turnover threshold to report specified B2B, export, credit-note, and debit-note data to an Invoice Registration Portal and obtain an Invoice Reference Number. The mandate currently applies from the notified ₹5 crore turnover threshold, subject to exclusions and transaction rules. From 1 April 2025, taxpayers with aggregate annual turnover of ₹10 crore or more are subject to a 30-day reporting restriction for covered e-invoices, according to the official IRP advisory. An e-way bill generally relates to movement of goods and is commonly required where consignment value exceeds ₹50,000, subject to transaction, state, and exemption rules. An e-invoice does not automatically eliminate every e-way bill obligation. Businesses should check turnover history from the relevant base years, transaction type, recipient category, movement details, exemptions, and current portal advisories.

When should a business take professional GST support?

Professional GST support may be worthwhile when registration liability is unclear, transactions span multiple states, the business uses e-commerce channels, input tax credit mismatches are large, returns have not been filed, e-invoicing becomes applicable, a notice is received, or books and portal data do not reconcile. Self-service may be enough for a small business with simple local supplies, clean records, limited invoices, and a clear tax position. Expert review becomes more valuable when classification, place of supply, reverse charge, exports, LUT, refunds, cancellation, amendments, or complex credit eligibility is involved. A professional should not merely upload returns; the stronger approach is to reconcile books, invoices, GST portal data, electronic ledgers, and supporting documents before filing. WealthSure can assist with GST registration, return filing, input tax credit reconciliation, notice response, e-invoicing, e-way bills, and related compliance where the facts justify expert-assisted support.