"If they stop water, all of this will turn into the Thar desert, the whole country," one farmer said. "We'll die of hunger."

The Indian military says Pakistani soldiers fired at Indian posts all along the highly militarized frontier in disputed Kashmir as tensions flare over attack on tourists.

Pakistan's defence minister said on Monday a military incursion by neighbouring India was imminent in the aftermath of a deadly militant attack on tourists in Kashmir last week, as tensions rise between the two nuclear-armed nations.