Before 2014, much of India’s northeast was not connected to rest of India via rail.
It is all because of Indian Railways stupendous speed of track laying at 7.8 km per day throughout the country.
Around 1,200 km of new lines were laid, 1,900 km of gauge conversion was done and 1,700 km of doubling (parallel tracks) were completed in these years.
This push brought Agartala, the capital city of Tripura, and other cities in Meghalaya, Mizoram and Manipur on the railway map of the country.
The first broad gauge train to Agartala on its maiden journey. YouTube
All this while the Indian Railways maintained a track laying speed.
A station in Assam. Around 900 km of meter gauge lines have been converted to broad gauge in the northeast alone. IndianRailinfo
It will be investing Rs.80,000 crore in improving the infrastructure while focusing on innovative construction methods to help save money.
The official said that the Northern Railways saved Rs.700 crore through these innovations.