New Delhi, June 17 -- In a major push towards modernising railway infrastructure and enhancing operational safety, Indian Railways has approved a Rs.405 crore signalling upgradation project on the Eastern Railway network, officials said on Wednesday.

The project will involve the replacement of existing relay-based interlocking systems with Electronic Interlocking (EI) at 32 stations, including 25 Panel Interlocking (PI)/Route Relay Interlocking (RRI) stations and 7 Intermediate Block Signalling (IBS) locations across High Density Network (HDN) and Highly Utilised Network (HUN) routes.

According to officials, many of the existing signalling installations are based on ageing relay technology and are facing operational limitations due to o...