The Internet service on mobile phones was chocked in parts of Kashmir valley on Wednesday following a strike call by Joint Resistance Leadership (JRL) against the custodial killing of a teacher.
The internet service has been throttled to 2G from high-speed 4G in central Kashmir's Budgam and Srinagar districts.
On Tuesday Rizwan Assad Pandith of Awantipora in south Kashmir's Pulwama district died in police custody.
A magisterial probe has been ordered in the incident.
Pandit was detained by police from his house some days back in connection with an investigation of a militancy case.