If the private sector was hoping to play a major role in nuclear power generation following the deal with the US, it is in for disappointment. Changes in the existing law being planned envisage all private participation through only joint venture with state-owned Nuclear Power Corporation and limit their investment to 26% equity in such ventures. According to Atomic Energy Commission chairman Anil Kakodkar, nuclear power plants could come only through joint ventures and private sector would not be allowed to set up units on their own. ToI had last year reported that a free run is unlikely for the private sector due to concerns over who will bear the responsibility -- and cost of rehabilitation