Neeraj Kumar Singh aka Bablu, cousin brother of actor Sushant Singh Rajput recently hit out at Shiv Sena leader Sanjay Raut for making controversial remarks about the family of the actor, especially his father KK Singh.Bablu, who had accompanied the Rajput family to Mumbai to perform the last rites after Sushant Singh Rajput was found dead at his Bandra residence on June 14, has sent a legal notice to Sanjay Raut over his controversial remarks.