A five-member SIT headed by SP South city has been entrusted with the investigation. Six days police remand of the accused has been obtained, police added.
Authorities imposed restrictions in parts of Srinagar city on Sunday to prevent separatist-called protests against the mass detention of over 150 Jamaat-e-Islami (JI) cadres, police said.
The protests have been called by the Joint Resistance Leadership, a separatist conglomerate headed by Syed Ali Geelani, Mirwaiz Umer Farooq and Muhammad Yasin Malik.
According to the police, restrictions have been imposed Rainawari, Nowhatta, Khanyar, M.R. Gunj and Safa Kadal areas.
Heavy contingents of state police and the Central Reserve Police Force (CRPF) have been deployed across the city to maintain law and order.
The JI cadres including its chief, Abdul Hamid Fayaz, were detained in the last two days in the Kashmir Valley in a mass croackdown.
Separatist leader Muhammad Yasin Malik was also taken into preventive custody on Friday.