The company decided to sell 25.1% stake in Adani Electricity Mumbai to Qatar Investment Authority for $450 million. : Share price of power transmission company Adani Transmission gained 1 percent intraday on December 11 hitting new 52-week high value of Rs 350.05 per share after the company decided to sell 25.1 percent stake in Adani Electricity Mumbai to Qatar Investment Authority for USD 450 million.