Indian Railways is India's National Railway system operated by Ministry of Railways. It is the fourth largest Railway network in the world by size. Roots are electrified with some double or multi tracked .

Indian Railways runs thousands of passenger trains daily. The trains have a five digit numbering system. Express or mail trains are most common.

The first railway proposals for India where made in Madras . The country's first train , Redhill Railway ran from Redhills to the Chintadripet bridge in Madras. This Railway proposal came in 1832 and it ran firstly in 1837.

In 1988 the first Shatabdi Express was introduced between New Delhi and Jhansi ,it was later extended to Bhopal. After that first self printing ticket machine (SPTM) was introduced in New Delhi.

In 1993, air conditioned three tier coaches and sleeper class were introduced in Indian Railways.

Indian Railways has gone through many development till now.