A chargesheet has been filed against Param Bir Singh and three others on Saturday in connection with the Goregaon extortion case in Mumbai’s Esplanade court.

Mumbai Crime Branch is investigating the case. The three other accused named in the chargesheet are suspended APIs Sachin Waze, Alpesh Patel and Sumit Singh. According to the Special Public Prosecutor (SPP) Shekhar Jagtap , the chargesheet has more than 400 pages.