Within the first quarter of Mumbai Metro getting commissioned, some recurring and serious problems have emerged during operations between the Versova-Andheri-Ghatkopar line.
In order to make a loop of a railway network, points are made so that the metro or trains can change tracks and cross to its parallel line. These points are where the recurring problems have emerged on the 11.4-km long rail corridor.
The point that is giving Mumbai Metro authorities sleepless nights is that, just outside Ghatkopar metro station, the metro changes its tracks to enter the terminating station.
There are various types of point designs, one of which is the base plate based rail fastening system, wherein the rail track is placed on a metallic plate. The base plate positioned at this point is repeatedly giving problems. More info