India's first passenger train journey is the subject of Tuesday's Google doodle. The day marks 160 years since the a passenger train set out on its maiden journey in India. The history of rail transport in India goes all the way back to 1832, when a plan for a rail system in India was first put forward. The first rail line in the Indian sub-continent came up near Chintadripet Bridge (in modern-day Chennai) in 1836 as an "experimental line". In 1837, a 5.6 km long rail line was established between Red Hills and the stone quarries near St. Thomas Mount. However, it wasn't until 1853-54, when two new railway companies, Great Indian Peninsular Railway (GIPR) and East Indian Railway (EIR), were created, that the railways as we known it today began to take shape. GIPR was asked to setup near Mumbai, and EIR was to setup a railway line near Kolkata (Calcutta at the time). Thus, the first train in India became opera