What Is a Pakka Bill? GST Tax Invoice Rules Explained Simply
A pakka bill is simply a GST tax invoice. Here is exactly what it must contain, when you must issue one, and how it differs from a kaccha bill.
· 3 min read
Create a GST invoice in 30 seconds, share it on WhatsApp, collect by UPI — and stay ready for e-Invoicing, e-Way Bills and GSTR filing. Built for Indian shops, traders and consultants.
Businesses across India run their billing on BikriBook
Start with simple billing and switch on more as you grow — nothing to reinstall, no data to move.
Add your items, set GST rates and raise your first invoice the same day.
Track stock, send payment reminders and watch what is selling.
Team roles, purchase orders, party ledgers and profit reports.
Multiple branches, e-Invoicing, e-Way Bills and Shopify sync.
Whether you sell at a counter or file returns for fifty clients, there is a BikriBook setup for it.
Run your shop, store or agency. Bill customers, track stock, send WhatsApp invoices and see your profit every month.
Manage every client in one place — pull their sales and purchase data, file GSTR-1 and 3B, and give owners read-only access.
Most owners switch because a paper bill and a spreadsheet cannot keep up — and because getting GST wrong costs more than the software does.
Everything a growing Indian business needs, in one app.
Tax invoice or plain bill, switched per document with separate numbering series.
Learn moreStraight to the NIC portal. IRN and signed QR printed on the PDF.
Learn moreGenerated from the IRN with transporter and vehicle details.
Learn moreLive levels, low-stock alerts, purchase orders and purchase bills.
Learn moreOrders become invoices; refunds become credit notes automatically.
Learn moreGSTR-1, GSTR-3B, profit & loss, item-wise and party-wise reports.
Learn moreSend the bill as a WhatsApp link with a UPI QR in the same message.
Learn moreOwner, admin, accountant, counter staff and read-only CA access.
Learn moreRun several shops from one login and switch between them.
Learn moreThree steps, no training. If you can use WhatsApp, you can use BikriBook.
Type a product name and price, set the GST rate, or paste your existing list. HSN codes are searchable from a built-in master.
Pick the customer, tap items, save. Tax is calculated, the number is assigned and stock updates — offline too.
Share the invoice on WhatsApp, collect by UPI QR, and track who has paid and who is overdue.
Set up your business in under five minutes. Free for 14 days, no card, and your data stays yours if you leave.
Sales this month, GST collected, who owes you money and what is sitting in your warehouse — the dashboard answers all four before you ask.
Revenue minus cost of goods and expenses, updated with every bill.
See exactly who is overdue, by how many days, and send a reminder.
What is on hand, what it is worth, and what you need to reorder.
Every figure feeds straight into your GSTR-1 and GSTR-3B exports.
Every sale and purchase moves the number. Set a reorder level once and BikriBook tells you what to buy — no month-end counting.
Updated the moment a bill is saved.
Warnings before you run out of your best sellers.
Record purchases and stock in one step.
See which products actually earn money.
Your counter staff may not read English fluently — so the whole interface switches to Hindi or Hinglish with one tap. The switch is per person, so the owner can keep English while the counter works in Hindi.
Tax Invoice, place of supply and terms print correctly in the language you pick.
The owner stays on English, the counter switches to Hindi — same business.
Share bills with the customer in the language they read.
New staff learn the app in a day because the words are already familiar.
If you buy or sell in India and need a correct bill, this is for you.
Fast counter billing
Bulk rates & credit
Routes & stock
Job work & BOM
Client dashboards
Shopify orders
Service billing
SAC codes
Daily bills
e-Way bills
Raise bills only
Non-GST bills
Start free. Upgrade only when your business grows. No setup fee, cancel any time.
Free
₹499 /month
₹999 /month
Install BikriBook from your browser. It opens full-screen like an app, saves bills offline and syncs them automatically when the signal returns.
No signal at the counter? Bills queue on the phone and sync when you are back online.
Get a notification when invoices go past due, then send a WhatsApp nudge in one tap.
Phone, tablet or laptop — same books, same numbers, nothing to install.
Encrypted credentials, role-based access and a full audit trail of changes.
| What you need | Register / Excel | With BikriBook |
|---|---|---|
| GST-compliant invoice with HSN | Made by hand, easy to get wrong | Auto-calculated, always correct |
| Monthly GSTR-1 data | Hours of retyping | Export in seconds |
| Stock that matches reality | Counted at month end | Updates with every bill |
| Sending the bill to the customer | Photo of a paper bill | WhatsApp link with UPI QR |
| Knowing who owes you money | Memory and follow-ups | Overdue list with reminders |
| Working from home or the shop | Only where the book is | Phone, laptop, any device |
Become a distributor, channel partner or affiliate. Up to 35% margin, 20% recurring commission on renewals, marketing material and training included — with monthly payouts.
Practical answers to the questions shop owners actually ask.
A pakka bill is simply a GST tax invoice. Here is exactly what it must contain, when you must issue one, and how it differs from a kaccha bill.
· 3 min read
e-Invoicing applies to businesses above ₹5 crore turnover. Here is how the IRN process works, what the QR code means, and the deadlines that matter.
· 2 min read
How GST late fee & interest work in 2026: ₹50/day (₹20 nil), interest 18%, 4 worked examples + free BikriBook calculator + due-date trick to never pay again.
· 2 min read
Free for 14 days. No card, no training, no setup fee. Cancel any time.
Setup takes under 5 minutes — most businesses raise their first invoice the same day.
Install the BikriBook app on your phone — bill even without internet, send invoices on WhatsApp and get payment reminders. No app store needed.
Save a GST bill before the customer leaves the counter.
No signal? Bills queue on the phone and sync later.
Get notified about overdue bills and send a WhatsApp nudge.