Free GST Invoice in Excel for Assam
An Excel-based GST invoice template with auto-calculated tax columns. Perfect for businesses that manage invoices in spreadsheets alongside their accounts. Pre-configured for Assam businesses with GST state code 18. GSTIN format: 18ABCDE1234F1Z5.
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| Item Description | Qty | Rate | Tax % | Amount | |
|---|---|---|---|---|---|
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GST Invoice in Excel — Assam GST Details
| Detail | Information |
|---|---|
| State | Assam |
| GST State Code | 18 |
| GSTIN Format | 18ABCDE1234F1Z5 |
| Capital City | Dispur |
| Key Industries | tea, oil and gas, tourism, silk, agriculture |
| Template | GST Invoice Excel Template |
| Best For | Accountants, businesses using Excel-based bookkeeping |
| Intra-state Tax | CGST + SGST (buyer GSTIN starts with 18) |
| Inter-state Tax | IGST (buyer GSTIN starts with any code ≠ 18) |
Who Uses the GST Invoice in Excel in Assam?
This template is best suited for: Accountants, businesses using Excel-based bookkeeping. In Assam, businesses operating in the tea, oil and gas, tourism, silk, agriculture sectors frequently use this format. Companies based in Dispur and other major cities including Guwahati, Silchar, Dibrugarh, Jorhat rely on the GST Invoice Excel Template for day-to-day invoicing.
An Excel-based GST invoice template with auto-calculated tax columns. Perfect for businesses that manage invoices in spreadsheets alongside their accounts. Because Assam's GST state code is 18, all invoices raised by Assam-registered businesses must include a GSTIN starting with 18. This template pre-fills and validates this automatically.
Key features of this template:
- Auto-calculated CGST/SGST/IGST
- Multiple item rows
- HSN/SAC code column
- Compatible with Google Sheets
- Printable layout
How GST Works for Assam Businesses
Businesses registered in Assam (GST state code 18) follow standard CGST/SGST/IGST rules under the Goods and Services Tax Act. Here is how tax splits work when using this template:
| Sale Type | Tax Applied | Example (18% GST) |
|---|---|---|
| Intra-state (buyer in Assam) | CGST 9% + SGST 9% | ₹1,00,000 + ₹9,000 CGST + ₹9,000 SGST = ₹1,18,000 |
| Inter-state (buyer in another state) | IGST 18% | ₹1,00,000 + ₹18,000 IGST = ₹1,18,000 |
| Export (outside India) | Zero-rated (0% with LUT) | ₹1,00,000 + ₹0 GST = ₹1,00,000 |
The invoice generator auto-detects intra vs inter-state from the buyer's GSTIN. Assam-registered buyers have GSTINs starting with 18.
Common Mistakes to Avoid in Assam
When using the GST Invoice Excel Template in Assam, businesses often make these avoidable errors. Each mistake can result in a rejected invoice, ITC denial for your buyer, or a GST notice.
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Hardcoding tax amounts instead of using formulas
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Not locking formula cells to prevent accidental edits
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Using the wrong GST state code — Assam businesses must use state code 18 in their GSTIN, not another state's code.
Frequently Asked Questions
What is the GSTIN format for Assam?
Assam has GST state code 18. Your GSTIN starts with 18 followed by your 10-digit PAN, for example: 18ABCDE1234F1Z5. The 13th character is your entity number (1 for the first registration), 14th is always Z, and 15th is a check digit.
Who should use the GST Invoice Excel Template in Assam?
This template is ideal for: Accountants, businesses using Excel-based bookkeeping. In Assam, it is especially relevant for businesses in tea, oil and gas, tourism, silk, agriculture — the state's dominant industries. Businesses in Dispur and across Assam use this format for compliant GST invoicing.
Does a Assam business use CGST+SGST or IGST?
CGST + SGST for sales within Assam — when the buyer's GSTIN also starts with 18. IGST for sales to buyers in other states or union territories. The generator auto-detects this from the buyer's GSTIN, so you do not need to manually select the tax type.
Is the GST Invoice Excel Template free for Assam businesses?
Yes, completely free — no account, no subscription, no watermark. Generate a GST-compliant PDF invoice in the GST Invoice Excel Template format with Assam GST state code 18 pre-applied. Download and send to your client in under 60 seconds.
What is the GST registration threshold for businesses in Assam?
The standard GST registration threshold is ₹40 lakh annual turnover for goods-only businesses and ₹20 lakh for service businesses. Assam follows the standard thresholds. Once registered, every invoice must carry your GSTIN (starting with 18) and a proper CGST/SGST or IGST breakdown.
GST Invoice in Excel for Other States
Same template, pre-configured for every Indian state's GST code.
Create Your Free GST Invoice in Excel Now
Free GST Invoice Excel Template for Assam businesses. GST state code 18 auto-applied. CGST/SGST/IGST calculated instantly. No signup, no watermark.