Goods and Services Taxpayer Identification Number (GSTIN) is part of the GST Registration process. You can apply for GSTIN either via GST Online Portal or via GST Seva Kendra set up by Government of India by submitting the following details:
● PAN details
● Mobile number and email address
● Bank account details
● Prescribed documents and other information as required
You will be allotted a unique GSTIN number once the application is approved by the GST officer.