Gaddibook Guides
GST and billing guides for shop owners
Step-by-step help with GST invoices, returns, HSN codes, stock and customer credit — written for people who run the counter, not for accountants.
· 3 min read
E-Way Bill Rules: When You Need One and How to Generate It
When you need an e-way bill, how long it stays valid, and how to generate one on the e-way bill portal step by step.
Read guide· 4 min read
How to File GSTR-3B: Step-by-Step Guide with Due Dates
What GSTR-3B is, its due dates, and how to fill the tables, claim input tax credit and pay your tax on the GST portal.
Read guide· 3 min read
7 Billing Tips for Kirana Store Owners
Practical tips to bill faster, track udhaar, control stock and close each day with a clean cash tally.
Read guide· 3 min read
HSN Codes on GST Invoices: How Many Digits and How to Find Them
What HSN and SAC codes are, how many digits you need based on turnover, and how to find the right code for each item.
Read guide· 4 min read
How to Make a GST Invoice: Format, Rules and Example
What every GST invoice must include, when to charge CGST + SGST or IGST, and a step-by-step way to make one correctly.
Read guide· 4 min read
How to File GSTR-1 Online: Step-by-Step Guide
Due dates, the main tables and a step-by-step walkthrough for filing GSTR-1 on the GST portal without errors.
Read guide