Did you read the whole article?

>4. As per new NATO doctrine in the late 80s it was analyzed that injuring a soldier is more lethal to the enemy than killing one, as you have to expend other soldiers to carry the injured soldier. As per this doctrine, NATO moved to 5.56mm ammo, which have higher chances of injuring someone than killing. Indian Army, wanted to follow the same doctrine hence it asked INSAS to be a 5.56mm weapon, unlike AK 47 or FN FAL which are 7.62 mm weapons. Chances of survival from a 7.62mm ammo, especially at close range are low or nil.