Diamond Power Infrastructure Limited announced that Mr. Sumit Bhatnagar, Jt. Managing Director of the company has sent his resignation to the board of directors of the company with effect from April 05, 2018 and requested the Board to accept the same, the resignation letter states that in "In View of the Present ongoing Investigation by CBI, ED and Income Tax he has resigned to ensure free and fair investigation into the allegations made in the FIR dated March 26, 2018 registered by CBI. The company would like to inform that Shri. Shailendra Pal Singh, Independent Director of the Company has resigned from June 25, 2018 due to their pre obligations.