Kolkata, June 3 -- The National Investigation Agency (NIA) has filed charge sheets against 31 people accused of taking judicial officers hostage during the Special Intensive Revision (SIR) in April this year in West Bengal's Malda district , officials said. "The NIA has filed charge sheets in four separate cases in connection with the illegal detention of judicial officers and road blockades in Malda during SIR," said a NIA official. The 31 accused have been charged under various sections of Bharatiya Nyaya Sanhita (BNS), 2023, National Highways Act, 1956, and West Bengal Maintenance of Public Order (WBMPO) Act, 1972. "Specific roles played by each of the accused have been detailed in the charge sheets, which establish their involvement in the road blockades and illegal detention and restraint of judicial officers engaged in the special intensive revision of electoral rolls at various locations in Malda district," NIA said in a statement. On April 1, seven judicial officers appointed by the Calcutta high court during the SIR adjudication process in West Bengal were gheraoed by a mob at Kaliachak in Malda over deletion of names from the electoral roll. NIA registered 12 FIRs in the incident and a total of 60 people have been arrested so far....