Greenko Group PLC, The Tata Power Company Limited (BSE:500400), JSW Energy Limited (BSE:533148) and Adani Enterprises Limited (BSE:512599) have been approached to assess their interest in acquiring a strategic stake in PTC India Limited (NSEI:PTC), people in the know said. Five public sector undertakings, including four promoter firms of PTC India, are planning to sell their stake in the power trading company that is hit by a controversy over governance issues at its financial services subsidiary. The promoters — NTPC Limited (NSEI:NTPC), NHPC Limited (NSEI:NHPC), Power Finance Corporation Limited and Power Grid Corporation of India Limited (NSEI:POWERGRID) hold a combined stake of around 16% in PTC India.

Damodar Valley Corporation, which owns a 3.3% ownership, has also decided to divest its shareholding, taking the total stake on offer to a potential strategic investor at nearly 20%, these people said.