Whatever initial conviction has been handed down to some 100 people after 14 years (its a long way before they appeal to all other legal recourse), its because of POTA.
Now after UPA withdrew that, its even more difficult to convict terrorists, organized underworld.
Gujarat Govt passed a Law which is equivalent of POTA, but Congress has asked the Governor NOT to Sign it.
ALL these isues will be raised in due Course. Modi is waiting for the right moment.