India, June 13 -- Central Railway (CR) is looking to expedite the process of increasing the number of 15-car rakes on the Mumbai suburban network, days after four people died and 10 were injured when two overcrowded 12-car trains crossed each other at a curve near Mumbra railway station.

CR's long-term plan is to operate all fast-line services with 15-car trains, officials said. For this to happen, various works, including the extension of platforms, the addition of new rail lines, and the addition of coaches to existing 12-car trains, are in different stages of implementation, officials added.

Currently, CR operates only 22 15-car services, all on the CSMT-Kalyan fast corridor. In contrast, Western Railway (WR) runs over 210 15-car ser...