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Free quotation, invoice, bill and challan formats
The documents Indian small businesses send most, each as a real Word and Excel file with a filled-in sample. The tax documents do the GST themselves: taxable value after discount, then CGST + SGST inside your state or IGST across states, decided by the place of supply. The no-tax ones, such as a delivery challan for job work and a bill of supply, have no tax columns at all.
Which one do you need?
| Document | When you send it | Is it a tax document? |
|---|---|---|
| Quotation | Before the customer agrees, when you can name a firm price | No |
| Estimate | Before the work, when the final figure depends on measurement or what you find | No |
| Proforma invoice | After agreement, before supply, usually to collect an advance | No, and it should say so |
| Tax invoice | At supply: goods at dispatch, services within 30 days | Yes. Goes into GSTR-1; the buyer can claim credit |
| Handwritten GST bill | When you write the tax invoice by hand, in a bill book | Yes, if it carries the required fields and a signature |
| Bill / cash memo | A counter sale; the customer walks out with it | Only if you are registered for GST |
| Bill of supply | Composition dealers, and exempt sales by a registered seller | It is a GST document, but shows no tax |
| Delivery challan | Goods move without a sale: job work, repair, on approval | No. Not a substitute for an invoice on a sale |
| Travel bill | A tour package, a cab or coach booking | Yes, a tax invoice with the trip details |
| Restaurant bill | A dine-in or takeaway sale | Yes, a tax invoice at 5% for most restaurants |
What the tax formats get right
- Tax on the value after discount. A line discount reduces the taxable value before the GST is worked out. Several free templates online apply the rate to the list price and overcharge.
- The CGST/SGST or IGST split follows the place of supply, compared with the first two digits of your GSTIN, and the rate never changes between the two.
- An HSN/SAC summary grouped by code and rate on the tax invoice and proforma, the grouping your GST return uses.
- Sample GSTINs with a valid check digit. They are fictional, but they pass the same checksum a real one does, so you can see what a correct number looks like.
The sample HSN/SAC codes and rates are illustrative. Rates for many goods changed in September 2025, so check yours on the CBIC rate finder or with your accountant before you send anything.
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