The only thing that it would accomplish is mass slaughter of Pakistani civilians without Indian army being labelled a genocider, as according to GEneva convention: You could freely slaughter armed combatants.
You do not become soldier just by picking up a gun, and armed militias are regularly...
You need to get over your hatred for Saudis/Sunnis and your love for Iran/Shias to see a fact that is as clear as sky after rain: USA and Iran ,after nuclear deal, are allies; much stronger allies than Pakistan and USA were during WoT.
Off course for appearance sake Iran would keep on chanting-...