A criminal case has been filed in Patna’s Rajiv Nagar police station on the statement of his father KK Singh in the suicide case of late actor Sushant Singh Rajput. A case has been registered under sections 341, 342, 380, 406, 420, 306 of IPC. In the case, K K Singh, father of Sushant Singh Rajput, has written in his application that he is not confident of the research being done by the Mumbai Police, he is alone and therefore doing research in this case from Patna Police Have asked to take action.