New Delhi, March 10 -- Indian Railways has sanctioned a series of key infrastructure and technology upgradation works totalling over Rs 765 crore to strengthen operations, expand line capacity, and modernise communication systems across critical sections of the network.

The sanctioned projects cover the upgradation of electric traction systems on two high-density freight and passenger corridors, and a major expansion of the optical fibre communication backbone across Vadodara and Mumbai Central Divisions of Western Railway.

Indian Railways has also sanctioned Rs 318.07 crore for upgrading the electric traction system on the 106-km Duvvada-Visakhapatnam-Vizianagaram section of East Coast Railway.

The section will be upgraded from the ex...