Power Grid Corp. on Thursday said its wholly owned subsidiary POWERGRID Raipur Pool Dhamtari Transmission Ltd. has been commissioned..The subsidiary was secured through tariff based competitive bidding process, Powergrid said in a regulatory filing..POWERGRID Raipur Pool Dhamtari Transmission has been completely commissioned with effect from March 26, 2025..Shares of Power Grid Corp. closed 0.96% higher at Rs 308.80 apiece on the BSE, compared to a 1.96% advance in the benchmark Sensex. .Tata Power Share Price Surges As Subsidiary Signs PPA With NTPC