Most shops, fuel stations and other business establishments were shut across the Valley, officials said.
They said public transport was off the roads, but private cars, cabs and auto-rickshaws were seen plying at few places across Kashmir.
The officials said while no restrictions were imposed anywhere in the Valley, security forces have been deployed at sensitive places to maintain law and order.
Separatist leaders Mirwaiz Umar Farooq, Syed Ali Shah Geelani and Mohammad Yasin Malik had called for the 'hartal' to protest against the deaths.
Meanwhile, miscreants last night set on fire a government school building in Shopian. The school was designated as a polling centre, officials said.
They said the Government High School, Rawalpora, Shopian was set ablaze last night and the fire damaged the building completely.