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Goods and Services Tax (GST) registration is mandatory once your business crosses the prescribed turnover thresholds or falls under specific categories (inter-state supply, e-commerce, casual taxable persons, etc.). For businesses in Bangalore and across Karnataka, obtaining a GSTIN unlocks input tax credit, enables inter-state billing and is often demanded by clients, marketplaces and banks.
This guide walks you through eligibility, documents, the online process on the GST portal, timelines, fees and common mistakes that delay approval in 2026.
Who needs GST registration in 2026?
Registration is compulsory when your aggregate turnover in a financial year exceeds the prescribed threshold — currently ₹40 lakh for goods (₹20 lakh for special category states) and ₹20 lakh for services (₹10 lakh for special category states). Karnataka follows the normal state limits.
GST registration may be compulsory in certain cases irrespective of turnover, such as specified inter-state supplies, persons liable under reverse charge, casual taxable persons, non-resident taxable persons, and suppliers through e-commerce operators where applicable GST provisions require registration.
- Goods supplier in Karnataka: turnover above ₹40 lakh
- Service provider in Karnataka: turnover above ₹20 lakh
- Selling on Amazon, Flipkart, Meesho or any e-commerce platform
- Making inter-state supply of goods or taxable services
- Voluntary registration to claim input tax credit and issue tax invoices
Documents required
Keep clear, coloured scans ready. PAN and Aadhaar must match the applicant name exactly, and the address proof must match the principal place of business.
- PAN of the business and of proprietor / partners / directors
- Aadhaar of proprietor / partners / directors (Aadhaar authentication is mandatory)
- Passport-size photograph of the applicant
- Proof of business address — latest electricity bill / rent agreement / NOC from owner
- Bank details — cancelled cheque or first-page bank statement
- Digital Signature Certificate (DSC) for companies and LLPs
- Board resolution / partnership deed / incorporation certificate as applicable
Step-by-step process
The entire process is online on the GST portal (www.gst.gov.in). Aadhaar authentication typically results in approval within 7 working days; without it, a physical verification of premises may be triggered.
- Step 1 — Generate TRN (Temporary Reference Number) using PAN, email and mobile
- Step 2 — Fill Part B of REG-01 with business details, HSN/SAC, promoters and place of business
- Step 3 — Upload documents and complete Aadhaar authentication
- Step 4 — Submit with DSC / EVC
- Step 5 — Receive ARN; officer may raise queries via REG-03 (respond within 7 days)
- Step 6 — GSTIN and Registration Certificate (REG-06) issued on approval
Timeline and government fees
There is no government fee for GST registration. Professional fees vary based on entity type and complexity. Anagha Solutions offers transparent pricing with document collection over WhatsApp — most Bangalore registrations complete within 7–10 working days.
Common mistakes to avoid
- Mismatched name or address across PAN, Aadhaar and address proof
- Wrong HSN / SAC codes for your goods or services
- Missing rent agreement or NOC when premises are not self-owned
- Ignoring officer queries — REG-03 must be replied within 7 days or application is rejected
- Delayed filing after registration — GSTR-1 and GSTR-3B become due immediately
What happens after registration?
Once your GSTIN is issued you must display it at your place of business, start issuing tax invoices, collect GST at the correct rate, file monthly or quarterly returns and reconcile input tax credit with GSTR-2B every month. Missing filings attract late fees and interest, and can suspend your GSTIN.
Frequently asked questions
Is GST registration free in Bangalore?
Yes, there is no government fee. Professional fees apply if you engage a consultant to prepare and file the application, resolve queries and set up returns.
How long does GST registration take?
With Aadhaar authentication, approval is usually within 7 working days. If physical verification is triggered, it may extend by another 7–14 days.
Can I register voluntarily before crossing the threshold?
Yes. Many startups and B2B service providers register voluntarily to claim input tax credit and issue tax invoices required by corporate clients.
What is the penalty for not registering under GST?
A penalty of 10% of the tax due (minimum ₹10,000) applies for genuine defaults, and 100% of tax evaded in cases of deliberate evasion.
Talk to Anagha Solutions for practical, Bangalore-based professional support.