Restrictions under Section 144 CrPc have been imposed in Khanyar, Rainawari, Nowhatta, Safakadal, MR Gunj, Maisuma and Kralkhud police station areas as a precautionary measure, an official said.
Separatists had called for a shutdown in Gawkadal and the areas adjoining the Lal Chowk city centre.
Shops and business establishments were shut in areas around the city centre, though the weekly flea market was buzzing with acitivity.
JKLF chief Mohammad Yasin Malik, who was arrested on Friday, was sent to judicial custody. The chairman of moderate Hurriyat Conference, Mirwaiz Umar Farooq, was placed under house arrest.