New Delhi: The National Investigation Agency (NIA) on Friday said it has filed charges against 11 persons in connection with a terror conspiracy orchestrated by an offshoot of the proscribed Jamaat-ul-Mujahideen Bangladesh (JMB). The accused have been charged under various sections of BNS, 2023 and the UAPA, 1967 in the chargesheet filed before the NIA Special Court in Guwahati in Assam, the agency said in a statement.NIA investigations had revealed the active involvement of the accused in a conspiracy linked to Imam Mahmuder Kafila (IMK) -- a manifestation of JMB -- to expand the terror outfit's terrorist ideology in West Bengal and north-eastern states, including Assam and Tripura. The conspiracy involved promotion of the terrorist organisation's extremist agenda, radicalisation of vulnerable youth, and expansion of the outfit's network in India, according to NIA.Investigations showed that JBM's senior member Imam Mahmud Habibullah had established Imam Mahmuder Kafila to promote the banned outfit's nefarious agenda on Indian soil.NIA investigations had revealed that the 11 chargesheeted had conspired to grow the presence of IMK/JBM in India through clandestine meetings, religious indoctrination programmes, circulation of extremist literature, and use of digital platforms for anti-India propaganda. They were promoting allegiance to the leadership of IMK/JMB.Two of those chargesheeted have been identified as Nasimuddin, who was spearheading IMK's activities in Assam, and Jagir Mia, who was leading the outfit in Tripura. During the investigation, the NIA uncovered a trail of incriminating documents, electronic devices and digital records, which were used to build the case against the accused.