NTPC Vidyut Vyapar Nigam Ltd. (NVVN), a wholly owned subsidiary of NTPC Ltd. has acquired 5% equity stake in Power Exchange of India Ltd (PXIL). NVVN has purchased these shares from NSE Investment Limited, a co-promoter shareholder of PXIL, on January 31, 2022, according to the exchange filing. NVVN is one of the top power…