The Regional Transport Office, mostly known as RTO is the licensing, registration and taxation authority of the Indian government. The RTO issues Registration Certificate (RC) & Driving License (DL) and maintaining a database of drivers license that are valid across the country. In India, each states's transport office is controlled by Government of India for proper functioning of registration process with unique identity of particular series numbers. The first two alphabets indicates the state of registration and next 2 number digits are specifies the districts of the state. The last 4 numbers are prefixed with two letters specifies the owner of the vehicle.

List of Regional Transport Office (RTO) By States