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How to Register for GST Number in Simple Way: A Step-by-Step Guide


The Goods and Services Tax (GST) is an indirect tax system that combines multiple taxes such as sales tax, service tax, etc., into one to simplify taxation and boost India's economy. It replaces various individual taxes collected at different stages of production and distribution, like excise duty, value-added tax (VAT), and service tax, with a single unified tax. This helps eliminate the cascading effect of taxes, where taxes are added on top of previously taxed amounts, resulting in lower tax payments for consumers and traders. However, it's important to note that not all businesses are required to register for GST. Only businesses with an annual turnover exceeding a certain threshold, currently set at ₹20 lakh (₹40 lakh for special category states), need to register. This provision is meant to protect small businesses, which often operate with limited funds, from facing financial difficulties due to additional GST compliance requirements.

Pre-requisites for Registration

Obtaining a GST number involves assembling various documents and ensuring you have the necessary infrastructure in place for online communication. Here's a breakdown of the essential pre-requisites:

Required Documents

1. Permanent Account Number (PAN)

The PAN is a unique identification number issued by the Indian Government for taxpayers. It consists of a letter and ten numbers and is widely used for tax-related purposes, including GST registration.

2. Aadhaar Card

The Aadhaar Card is another important document for GST registration. It contains a unique identification number (UIN) issued by the Unique Identification Authority of India (UIDAI). While Aadhaar authentication is not mandatory, it can speed up the registration process by simplifying identity verification and online ward registration.

3. Proof of Business Registration

The type of business structure you have will determine the specific document required for proof of registration:

  • Companies: Certificate of Incorporation
  • Partnerships: Partnership Deed
  • Sole Proprietorships: Shop & Establishment Act Registration Certificate

These documents demonstrate that your business has been legally registered and has the necessary authorization to operate.

4. Proof of Identity and Address

All individuals associated with the business, such as partners or directors, will need to provide valid personal identification documents. Accepted forms of identification include PAN, Aadhaar, voter ID, or passports.

5. Bank Account Details

You'll also need to provide information about the bank account linked to your business. This includes the account number, IFSC code, and name of the bank and branch. These details are essential for processing any tax payments under the GST system.

Communication and Verification:

Having the right communication infrastructure is crucial for a smooth and efficient GST registration process. Here are two key elements you need to have in place:

  • Active Mobile Number: Your mobile number plays a vital role in the registration process as it is used to receive OTPs (One-Time Passwords) for verification purposes. Make sure your mobile number is active and accessible during the registration process.
  • Email Address: Having a valid email address is equally important as it allows you to receive updates and other important information from the GST authorities. This includes registration confirmation, documents submission reminders, and any additional details related to your application.

By ensuring that you have both an active mobile number and a valid email address, you'll be able to stay connected with the GST authorities throughout the registration process. This not only makes things easier for you but also helps in reducing the overall processing time for your GST number. So make sure these communication channels are readily available before you begin your registration journey.

Online GST Registration Process

Step 1: Go to the GST website at and click on the 'Register Now' link under the 'Services' tab.

Step 2: Choose 'New Registration' and fill in the following details:

Part - A

  • Select 'Taxpayer' from the drop-down menu.
  • Pick your state and district.
  • Enter your business name and PAN.
  • Provide your active email ID and mobile number for OTP verification.
  • Enter the displayed image and click 'Proceed'.
  • Enter the OTP received on your email and mobile, then click 'Proceed' again.
  • Note down the Temporary Reference Number (TRN) shown on the screen.

Part - B

Step 1: Return to the GST portal and click on 'Register' under 'Services'.

Step 2: Select 'Temporary Reference Number (TRN)', enter your TRN and captcha details, then click 'Proceed'.

Step 3: Enter the OTP received on your email and mobile, then click 'Proceed'.

Step 4: Check the status of your application on the next page. Click on the Edit icon on the right side if needed.

Step 5: Fill in 10 sections and upload required documents such as photographs, business address proof, bank details, etc. Submit the documents.

Step 6: Verify the declaration on the 'Verification' page and submit the application using one of these methods:

  • Electronic Verification Code (EVC) sent to your registered mobile.
  • Digital Signature Certificate (DSC) for companies.
  • e-Sign method with OTP sent to your Aadhaar-linked mobile.

Once done, a success message will appear on the screen, and your Application Reference Number (ARN) will be sent to your registered email and mobile.

You can use this ARN number to track the status of your GST application.

Post-Registration Process

1. Receiving ARN

After you've submitted your application through the GST portal, you'll receive an Application Reference Number (ARN).

2. Verification and Approval

Following submission, the GST department will initiate the verification process. If all requirements are met, your GST registration will be approved.

3. Receiving Your GST Registration Certificate

Once approved, you'll be sent a GST registration certificate via email. This certificate confirms your successful registration.

Note: The verification process usually takes 3-7 working days, and you can expect to receive your GST registration certificate during this time.

Clarification Filling

While reviewing your GST application, a GST officer may raise a query if they have any doubts regarding your application. If a query is raised, you will see it in the status, and then you must provide clarification for the raised query. After that, if the provided clarification is satisfactory, the GST officer will approve your application. If it is not satisfactory, they may reject it. If your GST application is rejected, you will need to reapply for GST.

Downloading GST Certificate:

Once your GST is approved, you will be notified via email. Then, you can download it by following these steps.

  • Go to the official GST website:
  • Log in with your username and password.
  • Click on Services > User Services > View/Download Certificates.
  • Choose the certificate you need and click the download icon.
  • Your certificate, containing important details about your business and a unique GST number, will be saved as a PDF file.


In conclusion, the Goods and Services Tax (GST) simplifies India's taxation system by consolidating multiple taxes into one. It streamlines processes, reduces tax burdens, and fosters economic growth. Businesses must meet certain criteria for registration, and preparing necessary documents beforehand is crucial. Communication channels, such as active mobile numbers and valid email addresses, are essential for a smooth registration process. Following the online registration steps diligently ensures a successful application. Once approved, businesses receive a GST registration certificate, marking their compliance with the tax system. However, if clarification is needed during the review process, timely responses are necessary to avoid delays. Overall, GST registration facilitates business operations while contributing to India's economic development.

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