NEW DELHI, Aug. 12 -- Pakistan Army chief Asim Munir's fresh nuclear threats against India reinforce doubts about the integrity of nuclear command and control in a country where the "military is hand-in-glove with terrorist groups", the external affairs ministry said on Monday while reiterating that New Delhi won't give in to nuclear blackmail. External affairs ministry spokesperson Randhir Jaiswal said it was "regrettable" that Munir made the remarks while in a friendly country such as the US, and contended that "nuclear sabre-rattling is Pakistan's stock-in-trade." Munir, elevated to the rank of field marshal after four days of hostilities with India in May, reportedly said at a meeting with the Pakistani diaspora in Florida that Pakistan could use its nuclear weapons to take down India and "half the world" in the event of an existential threat in any future conflict with India. He reportedly said Pakistan can use its missiles to destroy any dams built by India on cross-border rivers after the suspension of the Indus Waters Treaty. "The international community can draw its own conclusions on the irresponsibility inherent in such remarks, which also reinforce the well-held doubts about the integrity of nuclear command and control in a state where the military is hand-in-glove with terrorist groups," Jaiswal said in a statement. "It is also regrettable that these remarks should have been made from the soil of a friendly third country," Jaiswal said, "India has already made it clear that it will not give in to nuclear blackmail. We will continue to take all steps necessary to safeguard our national security." People familiar with the matter said Munir's remarks demonstrated once again Pakistan's irresponsible approach towards its nuclear arsenal and its role as a driver of nuclear instability in South Asia. Munir's remarks were in line with the nuclear blackmail resorted to by Pakistan for several decades, and this is one of the reasons why the country is widely considered an irresponsible nuclear-armed state, they said on condition of anonymity. The risk of Pakistan's nuclear materials or expertise falling into the hands of non-state actors such as terror groups is a reason why the international community "does not trust nuclear weapons in the hands of an institution like the Pakistani military, which is accountable to no one", one of the people cited above said....