Authorities imposed restrictions in parts of the city here in Jammu and Kashmir on Friday to prevent a separatist-called protest and maintain law and order, police said.There is prohibitory orders in place in Nowhatta, Khanyar, Rainawari, M.R.Gunj, Safa Kadal and Maisuma where heavy deployments of police and Central Reserve Police Force (CRPF) have been made. The post-Friday prayer protests are against "repression". The separatist leaders have asked the preachers at the mosques to highlight the excesses committed by India during their sermons.All higher secondary schools and colleges have been shut to prevent student protests. Classes at the Kashmir University have also been suspended for the day.