Tag: means of transport and communication

The Vivek Express, running between Dibrugarh and Kanniyakumari, is currently the longest train route in India by distance and time.

Coal accounts for the largest share of freight traffic in terms of volume for Indian Railways.

The South Central Railway headquarters is in Secunderabad, not Chennai (which is the headquarters of the Southern Railway).

The North Indian plains are favored for railway expansion due to flat terrain, high population density, and agricultural productivity.

Indian Railways is the fourth largest railway network in the world by size, following the US, China, and Russia.

The standard broad gauge track width in India is 1.676 meters.

• The headquarters of South Eastern Railway zone is in Kolkata. The zone comprises of 4 divisions.
• They are viz. Adra, Chakradharpur, Kharagpur and Ranchi. 

The South-Central Railway zone is headquartered in Secunderabad.

As of March 2017, the IR network spans 121,407 km (75,439 mi) of track length, while the route length is 67,368 km (41,861 mi). So option A is the closest.