By the late 1800s, and the beginning of the 1900s, trains were introduced.

In the last one decade while the number of passengers has grown almost 10 times, new trains have hardly been introduced.

These trains will be introduced in the first quarter of 2013.

The train is introduced in 2006 railway budget of India.

Three and a half months later, trains running on some days of the week only were introduced, while overall frequency was reduced.

The train was introduced long back in late 70's as a Super Fast.

The oldest train running on the Underground was introduced in 1970.

The trains were introduced in 1981 yet immediately taken out of service.

In 1990, after a separate train to Mangalore was introduced, it began to run along its present route.

This train was introduced in 1976 and withdrawn in 1981.