Cachar is an administrative district in the state of Assam in India. It makes up the Barak Valley alongside Hailakandi and Karimganj. Karimganj was also previously part of the Greater Sylhet region before the Partition of India.
Wikipedia https://en.wikipedia.org/wiki/Cachar_district
Coordinates 24°49'46.516" N 92°47'49.732" E