There was no seizure of any articles or documents during the search operation, the company said.
Tata Power today said it has commissioned its 21-MW wind power project in Rajasthan.
Managing director of Tata Power Anil Sardana tells CNBC-TV18 that they have entered into a joint venture with Exxaro, a South African coal company, to create energy assets in the region.
Tata Power is in 50:50 JV with South Africa's Exxaro. It will form a new energy company named Cennergi, reports CNBC-TV18.
Private energy utility Tata Power, through its subsidiary Khopoli Investments, and South Africa's Exxaro Resources have formed a 50:50 joint venture to focus developing projects in Africa.