NEW DELHI: The BSE Power index was up in Wednesday's morning session.

Shares of Adani Transmissions (up 3.49 per cent), NTPC (up 1.82 per cent), ABB India Ltd (up 1.71 per cent), Torrent Power (up 0.98 per cent), Thermax (up 0.86 per cent), KEC International (up 0.79 per cent), Siemens (up 0.65 per cent), GMR Infrastructure (up 0.44 per cent) and Adani Power (up 0.09 per cent) were among the top gainers.

While JSW Energy (down 1.9 per cent), Tata Power Company (down 0.97 per cent), Reliance Infrastructure (down 0.91 per cent), Power Grid Corporation of India (down 0.86 per cent), Bharat Heavy Electricals (down 0.72 per cent), NHPC (down 0.7 per cent) and Kalpataru Power Transmission (down 0.66 per cent) were the top losers in the index.

The S&P BSE Power index was trading 0.46 per cent up at 1816.2 around 10:39 am.

Benchmark NSE Nifty50 index was up 66.65 points at 12059.15 , while the BSE Sensex was up 222.71 points at 41117.09 .

Among the 50 stocks in the Nifty index, 36 were trading in the green, while 14 were in the red.

Shares of Vodafone Idea, YES Bank, Alok Industries, Tata Motors, UPL , Gujarat Gas Ltd., SBI, Au Small Finance Bank Ltd. and Spicejet were among the most traded shares on the NSE.