Guides for Indian businesses
Short, plain-English answers on GST, billing and stock — checked against the official rules.
GST state code list for every state and union territory
Complete list of GST state codes for every state and union territory in India, what the first two digits of a GSTIN mean, and old codes 25 and 28.
4 min read · Updated 22 October 2026GST invoice format: every field Rule 46 asks for
What a GST tax invoice must show under Rule 46 of the CGST Rules: every mandatory field, when buyer details are needed, HSN, place of supply and signature.
6 min read · Updated 22 October 2026HSN code on a GST invoice: 4 digits or 6?
How many HSN digits your GST invoice needs: 4 digits up to ₹5 crore turnover, 6 above it, when it is optional for B2C, and when 8 digits apply.
3 min read · Updated 22 October 2026CGST, SGST and IGST explained with examples
When to charge CGST + SGST and when to charge IGST, with simple worked examples, plus UTGST for union territories and how place of supply decides it.
4 min read · Updated 22 October 2026Inventory management for small businesses: 9 practical tips
Practical ways for small Indian businesses to stop running out of stock, cut dead stock and keep counts right — reorder levels, FIFO, cycle counts and more.
5 min read · Updated 22 October 2026E-way bill rules explained in plain words
When an e-way bill is needed (the ₹50,000 limit), who generates it, how long it is valid (1 day per 200 km) and what Part A and Part B contain.
4 min read · Updated 22 October 2026GST registration limit: when do you need GST?
When a business must register for GST: ₹40 lakh turnover for goods and ₹20 lakh for services in most states, lower limits in special category states, and cases where registration is compulsory.
4 min read · Updated 22 October 2026GST composition scheme: limits, rates and rules
GST composition scheme explained: turnover limit (₹1.5 crore, ₹75 lakh in special category states), tax rates of 1%, 5% and 6%, and the main restrictions.
4 min read · Updated 22 October 2026