New Delhi, June 2 -- The National Investigation Agency has chargesheeted 31 accused in four separate cases linked to the Malda Special Intensive Revision (SIR) related road blockades and illegal detention of judicial officers, the agency said on Tuesday.

The chargesheets have been filed before the NIA Special Court in Kolkata based on various digital, technical, documentary and oral evidence, as well as examination of several witnesses to the incidents that rocked the region ahead of the West Bengal assembly polls in April.

As per the NIA, the accused have been charged under respective relevant sections of Bharatiya Nyaya Sanhita (BNS), 2023, National Highways Act, 1956, and West Bengal Maintenance of Public Order (WBMPO) Act, 1972.

"S...