Pakistan, July 5 -- China gave Islamabad "live inputs" on key Indian positions during Pakistan's deadly conflict with its neighbor in May, the deputy chief of India's army said on Friday, calling for urgent upgrades to the country's air defense systems.

The nuclear-armed rivals used missiles, drones and artillery fire during the four-day fighting - their worst in decades - triggered by an April attack on Hindu tourists in Indian-administered Kashmir that New Delhi blamed on Islamabad, before agreeing to a ceasefire.

Pakistan has denied involvement in the April attack.

India fought two adversaries during the conflict, with Pakistan being the "front face" while China provided "all possible support," Lt. Gen. Rahul Singh said at a defense...