Source: economictimes.indiatimes.com NEW DELHI: The BSE Power index was trading flat in Monday’s session. Shares of Torrent PowerNSE 3.61 % (up 2.33 per cent), ABB India (up 1.11 per cent), Siemens (up 0.79 per cent) and CESC (up 0.77 per cent) were the top gainers in the index. Reliance Infrastructure (down 7.12 per cent), CG