Bengaluru, Oct. 28 -- In an effort to address recurring technical failures, BMRCL has drawn up plans for a comprehensive overhaul of 57 Namma Metro trains operating on the Purple and Green lines. Each of these trains has completed 10 lakh kilometres, making detailed inspections and component replacement necessary.

The maintenance drive will focus on identifying worn-out equipment, repairing faulty systems and replacing parts wherever required. Technical snags have affected some older trains during service, occasionally leaving them stranded on the tracks and inconveniencing passengers.

Namma Metro's initial operations began in 2011 with five trains on the Purple Line between MG Road and Baiyappanahalli. The fleet has since grown, with 5...