Free GST Invoice Generator — Dibrugarh
Dibrugarh is Assam's tea and oil capital, home to Digboi — site of Asia's oldest oil refinery. Create GST-compliant invoices with state code 18 pre-applied. CGST, SGST, and IGST auto-calculated. No signup.
GST Invoice Generator
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Invoice Details
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| Item Description | Qty | Rate | Tax % | Amount | |
|---|---|---|---|---|---|
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GST Details for Dibrugarh
| Detail | Information |
|---|---|
| City | Dibrugarh |
| State | Assam |
| GST State Code | 18 |
| GSTIN Format | 18ABCDE1234F1Z5 |
| Key Industries | Tea, Oil & Natural Gas, Education, Healthcare |
| Business Type | Tea, Oil, Education |
GST Invoicing for Dibrugarh Businesses
Businesses registered in Dibrugarh are registered under Assam GST with state code 18. Every Dibrugarh-based business with an active GSTIN has a registration number starting with 18 (e.g., 18ABCDE1234F1Z5). This state code must appear on every tax invoice issued by the business.
Dibrugarh is Assam's tea and oil capital, home to Digboi — site of Asia's oldest oil refinery. Businesses in Dibrugarh's dominant sectors — Tea, Oil & Natural Gas, Education, Healthcare — issue thousands of GST invoices every month. Each invoice must correctly classify the supply as intra-state or inter-state to apply the right tax.
| Transaction | Tax Applied | Example (18% GST on ₹1,00,000) |
|---|---|---|
| Dibrugarh seller → Assam buyer (intra-state) | CGST 9% + SGST 9% | ₹9,000 CGST + ₹9,000 SGST = ₹1,18,000 total |
| Dibrugarh seller → buyer in another state (inter-state) | IGST 18% | ₹18,000 IGST = ₹1,18,000 total |
| Export (buyer outside India) | Zero-rated with LUT | ₹0 GST, file LUT to export without IGST payment |
The invoice generator auto-detects intra vs inter-state from the buyer's GSTIN — Assam-registered buyers have GSTINs starting with 18.
Key Industries in Dibrugarh & GST Invoicing
Dibrugarh's economy is driven by: Tea, Oil & Natural Gas, Education, Healthcare. Here is how GST invoicing works for the primary business types in the city:
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Tea
Businesses in the Tea sector in Dibrugarh must issue GST-compliant tax invoices with GSTIN (starting with 18), HSN/SAC codes, and the correct CGST/SGST or IGST breakdown depending on the buyer's location.
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Oil & Natural Gas
Businesses in the Oil & Natural Gas sector in Dibrugarh must issue GST-compliant tax invoices with GSTIN (starting with 18), HSN/SAC codes, and the correct CGST/SGST or IGST breakdown depending on the buyer's location.
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Education
Businesses in the Education sector in Dibrugarh must issue GST-compliant tax invoices with GSTIN (starting with 18), HSN/SAC codes, and the correct CGST/SGST or IGST breakdown depending on the buyer's location.
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Healthcare
Businesses in the Healthcare sector in Dibrugarh must issue GST-compliant tax invoices with GSTIN (starting with 18), HSN/SAC codes, and the correct CGST/SGST or IGST breakdown depending on the buyer's location.
Frequently Asked Questions
What is the GST state code for Dibrugarh?
Dibrugarh is in Assam with GST state code 18. All businesses registered in Assam — including those based in Dibrugarh — have a GSTIN starting with 18, for example 18ABCDE1234F1Z5. The 13th character is the entity number (1 for first registration), 14th is always Z, and 15th is a check digit.
When does a Dibrugarh business charge CGST+SGST vs IGST?
Charge CGST + SGST when the buyer is also in Assam — their GSTIN will start with 18. Charge IGST when the buyer is in any other state or Union Territory. The GSTInvoices generator auto-detects this from the buyer's GSTIN, so you do not need to manually switch tax types.
What are the major industries in Dibrugarh and how do they handle GST?
Dibrugarh has key industries including Tea, Oil & Natural Gas, Education, Healthcare. Businesses in all these sectors must register for GST once their annual turnover crosses ₹40 lakh (goods) or ₹20 lakh (services). Every invoice must carry the supplier's GSTIN starting with 18, the buyer's GSTIN for B2B transactions, and the applicable HSN/SAC code.
Is the GST invoice generator free for Dibrugarh businesses?
Yes, completely free with no account required. Generate and download a GST-compliant PDF invoice — with all 16 mandatory CGST Rule 46 fields including GSTIN, HSN/SAC code, CGST/SGST/IGST breakdown — in under 30 seconds. No watermark, no hidden charges, no signup.
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