Addressing the UN General Assembly in New York, he said his country would "take whatever measures are necessary to maintain credible deterrence".
Tensions between India and Pakistan have increased in recent weeks with violent protests against Indian rule in the disputed Kashmir region.
On Sunday, militants killed 18 Indian soldiers at a base in the region.
India accused Pakistan of masterminding the deadliest attack on security forces in the region in two decades.
- Category: World News
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