Featured · GST & compliance
GST invoice format: every field a tax invoice must carry
The details Rule 46 of the CGST Rules requires on a GST tax invoice, with notes on HSN codes, serial numbers and unregistered buyers.
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The Billyng Journal
Practical guides to GST, billing, stock, payments and running your shop — explained simply, without the jargon.
Latest articles
CGST, SGST or IGST: which one applies to your sale?
How to tell whether a sale is charged CGST and SGST or IGST, with worked examples and the mistakes that cost input tax credit.
How to check a GSTIN is valid (and what each character means)
A GSTIN has 15 characters and a built-in check digit. Here is what each part means and how to verify one before you bill.
Getting paid faster: a collection routine for credit customers
Practical habits for shops that sell on credit — clear terms, recording part payments, follow-up dates and polite reminders — without losing the customer.
The GST composition scheme: is it right for your shop?
Who can opt for the composition scheme, the rates, what you give up, and why a composition dealer issues a bill of supply instead of a tax invoice.
Credit notes and debit notes under GST: when you need one
Goods returned, a later discount, a wrong price — when GST asks for a credit or debit note, and the deadline that catches people out.
Udhaar without the register: keeping a digital khata
How to track credit sales, part payments and cash given outside a bill — and how to see in one glance who owes you what.
Your first bill in Billyng, step by step
From creating an account to issuing your first GST invoice: the whole first run, in the order Billyng asks for it.
Do you need GST registration? The turnover limits, explained
When a shop must register for GST: the turnover limits for goods and services, special-category states, and when you must register anyway.
How to number GST invoices: the rules, and how to never break them
Consecutive, unique in the financial year, at most 16 characters — the GST rules for invoice numbers, and how two counters avoid clashing.
Margin or markup? Pricing your products without losing money
Why a 25% markup is not a 25% margin, how to work out a selling price from your cost, and where GST fits in.
From quotation to invoice without retyping
A simple quoting workflow for wholesalers and contractors — and why a quotation should not carry tax until it becomes a bill.
Why your billing software should work without internet
Power cuts and patchy connections are a fact of Indian retail. Here is what offline billing really needs to get right — especially invoice numbering.
Browse by topic
- GST & compliance Registration, invoices, tax heads and the rules behind them.
- Billing & invoicing Invoice numbers, quotations and sending bills.
- Khata & payments Credit, udhaar and getting paid on time.
- Inventory Pricing, stock and knowing when to reorder.
- Running a shop The day-to-day of running a counter.
- Billyng guides Step-by-step help with Billyng itself.
Ready to simplify your billing?
GST worked out for you, a khata for every customer, and stock that counts itself — even offline.