In a statement, DMRC said the initiative involves upgrading its oldest rolling stock (RS-1) trains with modern technology and improved facilities to ensure continued reliability and alignment with current standards.
As part of the programme, DMRC is refurbishing 70 trains across the Red and Blue Lines in a phased manner. In the first phase, 12 trains have already been upgraded, while 18 trains were refurbished in the second phase. Work on another nine trains is set to begin soon, followed by an additional nine trains. In the third phase, 22 Blue Line trains will be refurbished by November 2027.
The trains being upgraded were inducted between 2002 and 2007 and have completed nearly 19 to 24 years of service. DMRC said these trains are being modernised with updated systems and features to meet the latest rolling stock standards.
The refurbishment includes improvements to both interiors and onboard systems. Passenger areas and driver cabins have been repainted to address wear and tear, while electrical panels have been upgraded to enhance performance and reliability.
New systems installed include IP-based Passenger Announcement and Passenger Information Systems (PA-PIS), CCTV systems, and LCD-based Dynamic Route Maps with display screens providing real-time route, time and arrival information. These systems also enable communication between passengers and train operators during emergencies.
Safety upgrades include the installation of a fire detection system equipped with smoke and heat detectors in all coaches. DMRC has also replaced older relays and miniature circuit breakers with advanced units to improve operational safety.
Additionally, mobile and laptop charging points have been introduced across all coaches. New jumper cables and connectors have been installed to support upgraded systems and accommodate future enhancements.
DMRC said the initiative is part of its broader effort to modernise older trains and bring them in line with newer rolling stock standards while ensuring safe and reliable metro services.
