Its India spending money to develop Missile shield because of Fear of Pakistan Nuclear weapons.
Pakistan is not going to bank crypt,since we spend money where it is necessary instead of wasting billions on projects which ultimately fail to materialize.Be it Akash, Be it LCA, Be it Kewari, Be it Nirbhay, Be it Arjun.
Better worry about your starving nation instead of worrying how Pakistan will manage to neutralize this so called Ballistic Missile defense system which is still in very initial stage of development and testing....................