India, March 19 -- The Pune Regional Transport Office (RTO) is preparing to introduce a new three-letter alphabetical format - starting from 'AAA' - to accommodate the city's rapidly growing vehicle population.

Officials said the current system, which uses two English letters after the state and district code (such as MH-12 AA 0001), is expected to be fully utilised soon in the next few months.

The Pune RTO has already reached the 'ZG' series, and at the current pace of vehicle registrations, the remaining combinations up to 'ZZ' are likely to be exhausted by the end of April, with Gudi Padwa on Thursday being a key occasion for many to buy vehicles.

The new format - ranging from 'AAA' to 'ZZZ' - is expected to generate an estimated 18...