Police, on December 11, arrested four people for their involvement in extortion from Parwanipur Rural Municipality-4. 31-year-old Pramodh Sah, 20-year-old Dev Shankhar Ram, 20-year-old Acchelal Gosai and 39-year-old Dipendra Kumar Dhanuk were arrested. They were involved in many illegal activities including possession of illegal arms and demanding ransom. Pramod Sah had repeatedly asked for ransom from Manoj Prasad Sah and had blasted a bomb at his brick industry.