India, Oct. 14 -- Most people only notice the power grid when it goes down, but behind every uninterrupted supply is a distribution network of cables, transformers, feeders and substations that need constant upgrading. State utilities rarely do this work themselves, but instead award turnkey contracts to specialist engineering firms to design, supply, install and commission. Utilities tend to give repeat orders to contractors with a good track record, because they care more about reliability than a few dollars off the price.

The Nifty 50 closed at 22,622.70, down 0.44%, while the Sensex fell 0.34% to 72,781.89 on Wednesday. Meanwhile, Shares of Rajesh Power Serviceswere closed at Rs. 795.85, up 3.35% from previous close of Rs. 770.05. T...