I can understand in a land battle against enemy in body armour on flat terrain,the old nato 7.62 x 51 might be useful, but seems the hindus want the more powerful rifles against poorly armed internal seperatists likely in jungle warfare. Puzzling or the INSAS really sucks

Right click: http://timesofindia.indiatimes.com/india/Army-hunts-for-lethal-assault-rifle-junks-DRDOs-Excalibur/articleshow/53027875.cms