The quick answer
Regular GST and composition are different compliance arrangements. A regular taxpayer normally issues a tax invoice for taxable supplies and considers eligible input tax credit. A composition taxpayer follows the prescribed bill-of-supply treatment and cannot collect GST separately from customers.
Eligibility, limits, activity restrictions, permitted supplies and rates require current legal checks. Low turnover alone does not establish eligibility, and a smaller headline tax percentage does not prove a smaller total business cost.
Before you begin
- PAN-based turnover and the actual supply activities.
- Customer mix: consumers, registered buyers and relevant supply channels.
- Purchase tax, eligible credit, margins and compliance costs.
See how the pieces connect
Eligibility
Check scheme conditions for the business.
Customer
Understand the invoice and credit needs.
Economics
Compare liability and purchase-credit treatment.
Billing
Issue the correct document for the scheme.
Work through the steps
Check scheme eligibility first
Read the applicable composition provisions and notifications for turnover, activities and supplies. Consider relevant registrations under the same PAN. Do not choose a scheme solely from a turnover figure.
Understand customer consequences
A regular tax invoice can support a registered buyer’s credit claim when conditions hold. A composition bill of supply does not separately collect GST and does not have the same credit treatment.
Compare total economics
Model sales liability, purchase costs and eligible credits using the actual rates. Comparing headline percentages without purchase credits can misstate which arrangement suits the business.
Compare ongoing records and returns
Both arrangements need reliable sales and purchase books. Composition has its prescribed payment and return requirements. Fewer forms does not remove the need for transaction evidence.
Set the correct billing treatment
Use a tax invoice for taxable regular supplies where applicable. Use a bill of supply and required declarations under composition. Do not separately collect GST just because software can calculate it.
Monitor eligibility and transitions
Track turnover and changes in activity. If conditions cease to apply or you withdraw, establish the prescribed process and effective date. Check transition and stock-credit implications before changing billing settings.
A worked example
Compare the working rules
General differences; special cases and eligibility require verification.
| Question | Regular GST | Composition |
|---|---|---|
| Typical taxable-sale document | Tax invoice | Bill of supply |
| Separate GST collection | As applicable to the supply | Not collected separately |
| Input tax credit | Subject to eligibility | Not available under composition |
| Main checks | Rate, supply treatment and eligible credit | Scheme conditions, restrictions and liability |
The suitable arrangement depends on the actual supplies and customers. The document must match legal status, not a marketing label.
Common mistakes to avoid
- Choosing a scheme only from its headline rate.
- Collecting GST separately under composition.
- Ignoring activities or turnover changes that affect eligibility.
Questions you might have
Can software be used for composition billing?
Check that it supports the correct status and bill-of-supply treatment for your workflow. Confirm current plan features before choosing it.
Can I switch by changing an invoice setting?
No. Establish the permitted process and effective date, then update billing to match the valid scheme status.
Dukanam
A smart, low-cost choice for small-business GST billing
Dukanam brings billing, purchases, stock, customer balances, payments and reports together. It is built for Indian small businesses that want clear records without a complicated setup.
Best suited to shops that want connected everyday billing and bookkeeping, web and mobile access, and nine product languages. Choose the plan that includes the features you need.
GST-aware billing and preparation depend on your plan. Review records before filing on the GST portal; Dukanam does not directly submit GST returns, government e-invoices or e-way bills.
Current plans with GST preparation
- Advanced Plan₹299.00 per month
Check annual prices, limits, applicable taxes and checkout terms. Paid plans do not include a free trial.
Sources and further reading
Official rules and portal screens can change. Use the linked authority for the current requirements; the figures in our worked examples are illustrative.