How to gst number

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Last updated: April 4, 2026

Quick Answer: To get a GST number in India, you need to register on the GST portal (gst.gov.in). This process involves submitting an application with required documents and information, including your PAN, business details, and identity proof. Once verified, your GSTIN (Goods and Services Tax Identification Number) will be issued.

Key Facts

What is a GST Number?

A GST number, officially known as a Goods and Services Tax Identification Number (GSTIN), is a unique 15-digit alphanumeric code assigned to every taxpayer registered under the Goods and Services Tax (GST) regime in India. This number is crucial for businesses to conduct their operations legally, file taxes, and claim input tax credit.

Who Needs to Register for GST?

GST registration is mandatory for businesses whose annual aggregate turnover exceeds certain thresholds. For most goods and services, this threshold is ₹40 lakhs. However, for businesses in special category states (like the North-Eastern states, Himachal Pradesh, Uttarakhand, Jammu & Kashmir), the threshold is ₹20 lakhs. Additionally, businesses involved in inter-state supply of goods, e-commerce operators, and those providing services through an aggregator also need to register, regardless of their turnover.

How to Obtain a GST Number (GSTIN)

The process of obtaining a GST number is entirely online through the official GST portal, www.gst.gov.in. Here's a step-by-step guide:

Step 1: Visit the GST Portal

Navigate to the official GST portal at gst.gov.in.

Step 2: New Registration

On the homepage, click on the 'Services' tab and then select 'Registration' followed by 'New Registration'.

Step 3: Fill in Basic Details

You will need to provide basic information such as your business name, state, district, PAN number, email address, and mobile number. You will receive an OTP (One-Time Password) on your registered email and mobile number for verification.

Step 4: Application Form (Part A & Part B)

After successful verification, you will receive a Temporary Reference Number (TRN). Use this TRN to log in and fill out the detailed application form (Part B). This form requires comprehensive information about your business, including:

Step 5: Document Submission

Upload supporting documents as required. These typically include:

Step 6: Application Submission and Verification

Submit the completed application form and documents. The GST department will then verify your application. This verification may involve a physical inspection of your principal place of business in some cases.

Step 7: GSTIN Issuance

Once the application is approved after verification, your GSTIN will be generated and communicated to you via email and SMS. You can also download your GST registration certificate from the GST portal.

Types of GST Registration

There are different schemes available under GST, catering to various business needs:

Importance of GST Number

Having a GST number is vital for several reasons:

Key Considerations

By following these steps and understanding the requirements, businesses can successfully obtain their GST number and operate within the legal framework of India's indirect tax system.

Sources

  1. Official GST India Portalfair-use
  2. Goods and Services Tax (India) - WikipediaCC-BY-SA-4.0

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