The National Investigation Agency has filed a charge sheet against three people, including a Myanmar national, in a case related to extortion by members of proscribed terror outfits in Manipur, an official said on Thursday.

The charge sheet was filed in a special court here against Deepak Sharma (38) alias Khinmaung of Myanmar, Suraj Jasiwal (33) and Shaikhom Bruce Meetei (38) of Manipur, who were found collecting funds for different terror groups to further their activities, a spokesperson of the federal agency said.