GST Registration: Who Must Register & Minimum Turnover Limits | Kallapotti Learn

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 Learn who needs GST registration in India, the turnover thresholds for goods and services, mandatory registration cases, and documents required.

  7 min read  Updated 15 March 2026  Ahopez Innovations Team GSTGSTINRegistrationTurnover GST registration is mandatory once your aggregate annual turnover crosses the applicable threshold, or immediately if you fall under a special category regardless of turnover.

## Turnover Thresholds

Type of SupplyGeneral StatesSpecial Category StatesGoods only₹40 Lakh/year₹20 Lakh/yearServices only₹20 Lakh/year₹10 Lakh/yearGoods + Services (mixed)₹20 Lakh/year₹10 Lakh/year Note Special category states: Manipur, Mizoram, Nagaland, Tripura, Sikkim, Arunachal Pradesh, Meghalaya, Assam, Uttarakhand, Himachal Pradesh, J&K.

## Mandatory Registration (Regardless of Turnover)

-  Making inter-state supply of taxable goods or services
-  Selling through e-commerce platforms (Amazon, Flipkart, Zomato, Swiggy, Meesho)
-  Non-resident taxable persons supplying in India
-  Casual taxable persons (occasional/seasonal businesses)
-  Agents supplying goods/services on behalf of principals
-  Persons paying tax under Reverse Charge Mechanism (RCM)
-  E-commerce operators collecting Tax at Source (TCS)
-  Input Service Distributors (ISD)
## Time Limit to Apply

Apply within 30 days from crossing the threshold. Casual and non-resident taxpayers must register at least 5 days before starting business.

## Documents Required

-  PAN of business / proprietor / partners / directors
-  Address proof for principal place of business
-  Bank account details (cancelled cheque / statement)
-  Business registration documents (incorporation cert, partnership deed)
-  Digital Signature (mandatory for companies & LLPs)
 Pro Tip Even below the threshold, voluntary registration lets you claim ITC on purchases, issue tax invoices, and sell on all e-commerce platforms without restrictions.

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