Prehistory of Kangleipak
Nongpok Keithelmanbi - The locality-1 out of the three localities (sections) of this site belongs to the Mesolithic period, while the others belong to the Paleolithic period. Most tools are made of the Quartzitic sandstone. Seventy nine artifacts of mesolithic period are discovered in this site. These are:- (1) Chisel edge pebble tools, (2) Round edge pebble tools, (3) Pebble pick, (4) Scrapper, (5) Blade, (6) Split pebble, (7) Pebble with batter marks, (8) Pebble with ground faces, (9) Flake and (10) Manu port. Approximate time dates back to 4460+-120 BP.