RTO Offices in India - The Indian government is responsible for maintaining and updating records of drivers and vehicles of different states of India, which are plying on the road. The Regional Transport office or Regional Transport Authority (RTO/RTA) is the organization appointed by government of India to handle this database. This is a list of the Indian Regional Transport Offices and the assigned codes for vehicle registration. These are broken down to states or Union Territories and their districts.

Andaman & Nicobar Islands (AN)	Andhra Pradesh (AP)
Arunachal Pradesh (AR)	Assam (AS)
Bihar (BR)	Chandigarh (CH)
Chhattisgarh (CG)	Daman and Diu (DD)
Delhi (DL)	Gujarat (GJ)
Himachal Pradesh (HP)	Haryana (HR)
Jharkhand (JH)	Jammu & Kashmir (JK)
Karnataka (KA)	Kerala (KL)
Lakshadweep (LD)	Maharashtra (MH)
Meghalaya (ML)	Manipur (MN)
Madhya Pradesh (MP)	Mizoram (MZ)
Nagaland (NL)	Orissa (OR)
Punjab (PB)	Puducherry (PY)
Rajasthan (RJ)	Sikkim (SK)
Tamil Nadu (TN)	Tripura (TR)
Uttarakhand (UK)	Uttar Pradesh (UP)
West Bengal (WB)

Some responsibilities of the RTO are:

• Issue Driving Licenses
  
• Vehicle Registration Certificate
  
• Organises collection of vehicle excise duty (Road Tax and road fund license)
  
• Sells personalized registrations
• Inspect vehicle's insurance
  
• Clear the pollution test

RTO Offices in India - Transport regional office, mostly commonly known as RTO, is a bureau of Indian Government which looks after issuance of Driving License and vehicle registration. Each state's transport office is governed by Government of India for proper functioning of vehicles registration under specific series allotted to particular state. Job of regional transport office is to maintain systematic records of vehicles and its owners' identity; rto office allot a unique series of number to every vehicle and these vehicle numbers are registered with relevant authority of transport based on vehicle owners' addresses. Every rto is given a particular number series for registering vehicles. This is done for tracing the vehicle via its owner's address in case of any mishap or crime. Below mentioned list describes specific series of numbers allotted to each state's rto office.