From 1 December 1995, trains were extended to 7 cars.

In more recent years alternate trains on the line have been extended to Liverpool station.

Over the next three years, trains were gradually extended there during other times.

At present the train has been extended to Tirupathur.

At the same time, the trains serving the Ring Line will be extended to six cars.

On Friday and Saturday evenings, trains are extended until 2:00am of the following morning.

These trains were extended into three-coach formations with the acquisition of further units.

To deal with increasing patronage, trains were also extended to six cars.

Furthermore, each train was extended to eight cars.

As part of this extension, each train was extended to eight cars in length.