Composition Scheme vs Regular GST: Which is Better for Your Business?

1. What is the Composition Scheme?

The Composition Scheme under Section 10 of the CGST Act, 2017 is a simplified GST option designed for small businesses. Instead of charging GST on every invoice, collecting it from customers, filing monthly returns, and reconciling Input Tax Credit, a composition dealer pays a fixed flat-rate tax on total turnover — no ITC claimed, no GST charged to customers, minimal paperwork.

Think of it as a “flat-tax” regime within GST. The government trades simplicity for revenue certainty: the dealer pays a small percentage of their turnover directly, the government collects a predictable base, and both sides avoid the complexity of invoice-matching and ITC reconciliation.

The scheme was designed for the millions of small traders, manufacturers, and service providers whose businesses are predominantly local, B2C-oriented, and whose compliance capacity is limited. For a kirana store, a local tailor, or a small restaurant, the composition scheme eliminates most of the GST burden while keeping them within the formal tax net.

2. Who Can Opt for the Composition Scheme?

Eligibility is determined by two factors: the type of supply you make, and your aggregate annual turnover in the preceding financial year.

Turnover Limits

*Special Category States with ₹75 lakh limit: Manipur, Mizoram, Nagaland, Tripura, Arunachal Pradesh, Sikkim, Meghalaya.

Who is Ineligible (Cannot Opt)

Even if your turnover is within the limits, you cannot opt for Composition if you:

• Make inter-state outward supplies (selling goods or services to customers in another state)
• Supply goods through an e-commerce operator (selling on Amazon, Flipkart, Meesho, etc.)
• Supply ice cream, pan masala, tobacco, or tobacco products — regardless of turnover
• Are a non-resident taxable person
• Hold stock of goods purchased from an unregistered supplier (on opting in, you must pay GST on such stock)

3. Tax Rates Under the Composition Scheme

The flat tax rates under composition are much lower than standard GST rates. The rates are split equally between CGST and SGST (intra-state only — inter-state supplies are not permitted under composition).

These rates apply on the aggregate turnover (total sales value), not on the taxable value or value added. A trader with ₹50 lakh turnover under composition pays just ₹50,000 in total GST for the year — far less than the 5%–18% they would collect (and pay net of ITC) under regular GST.

4. Compliance Requirements Under Composition

This is the biggest advantage of the Composition Scheme: drastically simplified compliance compared to regular GST.

Form CMP-08 (Quarterly)

Composition dealers file Form CMP-08 every quarter as a statement-cum-challan for payment of self-assessed tax. It contains the aggregate turnover for the quarter and the computed tax liability.

• Quarters: Apr–Jun, Jul–Sep, Oct–Dec, Jan–Mar
• Due date: 18th of the month following the quarter end (e.g., CMP-08 for Apr–Jun is due by July 18)
• Tax must be paid along with CMP-08 — it is both a return and a payment challan

GSTR-4 (Annual Return)

GSTR-4 is the annual return for composition taxpayers. It consolidates the turnover and tax paid across all four quarters of the financial year.

• Due date: April 30 of the following financial year (e.g., GSTR-4 for FY 2025-26 is due by April 30, 2026)
• Contains: outward supplies summary, inward supplies summary (for RCM), and tax paid details
• Late filing attracts a fee of ₹50 per day (₹25 CGST + ₹25 SGST), subject to a maximum cap

Bill of Supply (Not Tax Invoice)

Composition dealers must issue a Bill of Supply for every sale — not a Tax Invoice. This is because composition dealers cannot charge or collect GST from their customers. The Bill of Supply must prominently display:

“Composition Taxable Person, not eligible to collect tax on supplies”

This declaration is mandatory under Rule 8 of the GST Invoice Rules. Failure to display it can attract penalties.

No GSTR-1, No GSTR-3B

Composition dealers do not file GSTR-1 (outward supply return) or GSTR-3B (monthly summary return). The quarterly CMP-08 and annual GSTR-4 replace the monthly compliance cycle entirely — reducing return filings from 24–26 per year (monthly) to just 5 per year (4 quarterly CMP-08 + 1 annual GSTR-4).

5. What You CANNOT Do Under Composition Scheme

Understanding the restrictions is as important as understanding the benefits. Violating any of these rules — even unknowingly — can result in the GST department cancelling your composition registration and demanding regular GST with interest and penalties from the date of the violation.

• Cannot collect GST from customers: You absorb the composition tax from your own margin. Charging GST on your Bill of Supply is a legal violation.
• Cannot claim Input Tax Credit (ITC): No ITC on raw materials, input services, capital goods, or any other purchases. The tax paid on your purchases is a cost.
• Cannot make inter-state outward supplies: All your sales must be within your state of registration. Selling to a customer in another state disqualifies you from the composition scheme.
• Cannot supply through e-commerce operators: If you sell via any platform like Amazon, Flipkart, Meesho, or Swiggy (as a seller), you cannot remain in composition.
• Cannot issue a Tax Invoice: Only Bills of Supply are permitted. Issuing a Tax Invoice implies GST collection, which composition dealers cannot do.

6. Regular GST: Key Advantages

The regular GST regime — where you charge GST on invoices, file monthly returns, and claim ITC — is more complex, but it offers capabilities that composition cannot match:

• Full Input Tax Credit: You can claim ITC on all eligible purchases — raw materials, professional services, capital equipment, freight, and more — reducing your net tax liability significantly.
• Inter-state sales: You can sell to customers anywhere in India and charge IGST. No geographic restrictions.
• E-commerce selling: You can list and sell on Amazon, Flipkart, Meesho, Swiggy, Zomato as a registered seller with proper Tax Invoices.
• B2B customers can claim ITC from you: When you issue a proper Tax Invoice, your business customers can claim ITC on the GST you charged them. This makes you a preferred supplier for B2B buyers.
• No turnover ceiling: Regular GST has no upper limit. You can grow your business without any scheme-related ceiling.
• Can make all types of supplies: Goods, services, inter-state, e-commerce, exports — all permitted under regular GST.

7. Composition Scheme vs Regular GST: Full Comparison

8. When the Composition Scheme is BETTER for Your Business

The Composition Scheme is the smarter choice when:

• Your customers are end consumers (B2C): Retail buyers, walk-in customers, and individual end-users cannot claim ITC regardless of what tax invoice you give them. Under composition, your customers don’t lose anything — and you save significantly on compliance.
• You run a local retail store or kirana: Sales are intra-state and B2C. Low volume of purchases relative to sales means ITC would be minimal. The 1% flat rate on turnover almost always beats the net-of-ITC regular GST liability.
• You’re a restaurant or food service: Restaurants cannot pass ITC to customers (who are always end consumers). The 5% composition rate is the same as the regular GST rate for restaurants, but composition saves all the monthly filing compliance.
• You’re a service provider with walk-in clients [Sec 10(2A)]: Professionals like small consultants, local repair shops, tailors, and tutors with turnover under ₹50 lakh who serve individual clients can pay just 6% and file only 5 returns per year.
• Your purchase costs are low relative to sales: If you buy at 20% of selling price (high-margin business), ITC on purchases is small. The composition flat rate may be lower than regular GST net of that small ITC.
• Cash flow is tight: Under composition, you pay tax quarterly instead of monthly, improving short-term cash flow.

9. When Regular GST is BETTER for Your Business

Opt for Regular GST when:

• Your customers are businesses (B2B): If you primarily sell to other GST-registered businesses, they will want your Tax Invoice to claim ITC. Under composition, you cannot issue a Tax Invoice. This makes you uncompetitive with regular GST suppliers for B2B buyers.
• You have high purchase costs: If raw materials or input services form a large percentage of your costs, ITC under regular GST could substantially reduce your net tax liability — potentially below the composition flat rate.
• You make inter-state sales: Any business that sells across state borders cannot use composition. Regular GST with IGST is mandatory.
• You sell on e-commerce platforms: Amazon, Flipkart, Swiggy, Zomato, and similar marketplace platforms require regular GST registration. Composition dealers are excluded from these channels.
• Your turnover is approaching ₹1.5 crore: If you’re close to the composition limit, it’s better to switch proactively. Exceeding the limit mid-year triggers a mandatory exit from composition and retroactive regular GST liability from the date of breach.
• You plan to export: Exports are zero-rated under GST. Regular GST registration allows you to claim ITC refunds on exports — a significant financial benefit that composition cannot provide.

10. Switching Between Composition and Regular GST

Opting IN to Composition Scheme

File Form GST CMP-02 on the GST portal (Services → Registration → Application to opt for Composition Levy) before or at the beginning of a financial year. The option is effective from the start of the financial year in which it is filed.

• New registrations can opt for composition at the time of registration itself
• Existing regular taxpayers must opt in before the start of the financial year (April 1); they cannot switch mid-year
• On opting in, file Form ITC-03 to reverse ITC on closing stock and capital goods

Opting OUT of Composition Scheme

File Form GST CMP-04 on the GST portal to withdraw from the composition scheme. This can be done at any time during the financial year.

• After opting out, you must file the regular GST returns (GSTR-1 and GSTR-3B) from the date of exit
• You must also file GSTR-4 for the composition period
• Cannot re-enter composition in the same financial year once you have opted out
• If you exceed the turnover limit (₹1.5 crore for goods), you are automatically excluded from the scheme from the day the limit is breached

11. How LekhaBooks Supports Both Composition and Regular GST

Whether you are on composition or regular GST — or switching between them — LekhaBooks handles the compliance automatically so you can focus on your business:

• Auto-generate CMP-08 quarterly: LekhaBooks aggregates your quarterly turnover and pre-fills Form CMP-08 for you. Review and pay — the entire process takes minutes, not hours.
• Annual GSTR-4 auto-populated: From your quarterly CMP-08 data, GSTR-4 is auto-filled with the full-year turnover and tax summary. No manual consolidation required.
• Bill of Supply generation: When you are on composition, LekhaBooks automatically generates Bills of Supply (not Tax Invoices) with the mandatory disclaimer: “Composition Taxable Person, not eligible to collect tax on supplies.” Switching to regular GST instantly switches your invoice format to Tax Invoice.
• Turnover proximity alert: LekhaBooks tracks your rolling annual turnover and alerts you when you approach ₹1.35 crore (90% of the ₹1.5 crore limit), giving you time to plan ahead.
• Seamless scheme switch: When you switch from composition to regular, LekhaBooks automatically switches your invoice templates, activates ITC tracking, and enables GSTR-1 and GSTR-3B filing modules. No configuration needed.
• RCM tracking under composition: Even composition dealers must pay GST on Reverse Charge Mechanism (RCM) supplies (e.g., freight from GTA, legal services). LekhaBooks tracks and reports these correctly in your GSTR-4.

12. Frequently Asked Questions