New Delhi, Aug. 11 -- Authorities enforcing a strict curfew in Indian-administered Kashmir promised easing of restrictions on Sunday and essential supplies for an Islamic festival, as the divided Himalayan region remained in a lockdown after India's decision to strip it of its constitutional autonomy.

Pakistan said that with the support of China, it will take up India's unilateral actions in Kashmir with the U.N. Security Council and may approach the U.N. Human Rights Commission over what it says is the "genocide" of the Kashmiri people.

Kashmir is claimed in its entirety by both India and Pakistan and is divided between the archrivals. Rebels have been fighting New Delhi's rule for decades in the Indian-controlled portion, and most Kas...