Goods & Service Tax Identification Number (GSTIN) is a state-specific unique number based on PAN. GSTIN is a 15 digits registration number consisting of state code, PAN, entity code, and the check digit.
GSTIN of a person can be identified based on PAN by following the below procedure :
Step 1– Visit GST portal
Step 2– Click on “Search Taxpayer” tab
Step 3– Select “Search by PAN”
Step 4- Enter the PAN number of the dealer and character reflecting in the image
Step 5- Click on “Search”
The website will show the details of the GSTIN registration held against the PAN which has been provided.
Verification of GSTIN also can be done on the ClearTax GST Search Tool using GSTIN Number.