Prehistory of Kangleipak
Tharon cave - First exploration took place in 1979 by the State Archeology Department Government of Manipur, and again retaken in 1989, five caves were discovered so far. 39 mesolithic artifacts were discovered. These are:- (1) Chopping tools, (2) Hand adze, (3) Hand axe, (4) Pointed tools, (5) Scrapper, (6) Edge ground knife, (7) Quern, (8) Grinder, (9) twenty five unclassified ground pebbles.