India, April 14 -- On Monday, the Central Railway's answer to overcrowding in Mumbai's local trains - a non-airconditioned train with closed doors - rolled into the Kurla car shed.

After the deadly accident in Mumbra in June last year, when five commuters fell out of two trains as they approached each other from opposite directions, the railway decided to experiment with train doors that automatically slid shut after boarding at railway stations, in non-AC locals.

The Central Railway will conduct trials starting this week, including passenger trials probably on the Nerul-Uran corridor, the least-crowded suburban section.

How is this non-AC, closed-door train different from conventional ones?

It has wider windows, louvred doors with ti...