Majority of the company's shareholders have given their consent to the composite scheme of amalgamation, Torrent Power said in a regulatory filing.
Under the scheme, group companies Torrent Energy and Torrent Cables would be merged with Torrent Power.
Torrent Power is part of Torrent Group, which is worth over Rs 13,000 crore, according to its website.
Shares of Torrent Power rose marginally to close at Rs 145.95 on the BSE.