India, Nov. 10 -- Signalling is the nervous system of the railways. Electronic interlocking systems make sure that two trains are never given conflicting routes, and they replace older mechanical setups that depend on human judgement. As rail traffic grows, this work has moved from optional upgrade to must-have.

The Nifty 50 was closed at 25,044.15, up 0.23%. Meanwhile, Sensex also rose 0.13% to 81,106.59 on Monday. Meanwhile, Shares of GPT Infraprojects Ltd. were closed at Rs. 111.97, down 1.77 percent from previous close of Rs. 113.99. The stock opened at Rs. 114.80 and reached an intraday high of Rs. 114.80 and low of Rs. 111.13. The company currently has a market capitalization of Rs. 1,415 crores.What's the News GPT Infraprojects a...