The 'Doc No' or Document Number on an Indian Driving Licence typically refers to the **Unique Driving Licence Number** itself. This number serves as the main identification code for your driving credentials. It is a 15-character alphanumeric code structured to provide key information.
- It begins with two letters for the State Code.
- Followed by the two-digit RTO Code.
- It includes the four-digit year of issue.
- The final seven digits are a unique serial number assigned to the holder.
This complete number is required for verifying your licence status on official portals like Parivahan Sewa.