(a) whether intelligence reports of terrorists sneaking into various cities to target vital installations including nuclear establishments, hotels, tourist and religious places and important personalities like scientists in the country have been received;
(b) if so, the details thereof and the reaction of the Government thereto;
(c) whether the Government has issued any instructions to various State Governments in this regard; and
(d) if so, the details thereof and the reaction of the State Governments in this regard?