Stock exchanges have sought clarification from Gail over the matter. The reply is awaited.
At around 1.09 PM, GAIL was trading at Rs153.95 per piece up 5.5% on Sensex. The stock was near the intraday high of Rs154.35 per piece.
CCI tweeted saying, "Commission approves acquisition of 26% equity stake in ONGC Tripura Power Company by GAIL (India)."
GAIL is set to acquire the stake from the IL&FS group companies IL&FS Energy Development Company Ltd and IL&FS Financial Services Ltd.