National Investigation Agency (NIA) has filed a chargesheet on March 21, against 12 persons, identified as Gill, Gaurav Patyal, Sukhpreet Buddha, Kaushal Choudhary, Amit Dagar, Naveen Bali, Chhotu Bhat, Asif Khan, Jagga Takhatmal, Tillu Tajpuria, Bhupi Rana and Sandeep Bandar, allegedly found to have links with pro-Khalistan outfits and Pakistan-based conspirators, in a gangster-terror nexus case, reports Tribune India. Officials said the investigation has revealed links of the charge-sheeted accused with the proscribed Khalistan Tiger Force (KTF) and its operative Arshdeep Singh Gill alias Arsh Dala, a listed “individual terrorist” by the Union Ministry of Home Affairs (UMHA). “Besides being in contact with Pakistan-based conspirators, the accused were in touch with pro-Khalistan elements based in Canada and other countries, NIA spokesperson stated.