Section 4(2)(b) in Damodar Valley Corporation Act, 1948
(b)if he has, directly or indirectly, any interest in a subsisting contract made with, or in any work being done for, the Corporation except as a shareholder (other than a director) in an incorporated company provided that, where he is a shareholder, he shall disclose to the Government the nature and extent of shares held by him in such Company.