Police used batons to disperse the protestors which included a large number of women just outside the Civil Secretariat here, official sources said.
The police used force when the protestors refused to allow passage of traffic on the Jehangir Chowk-Batamaloo axis, causing massive traffic jam on either side, they said.
The residents had blocked the road to protest against the non-availability of electricity between dusk and dawn-- when Muslims hold special night prayers (taraweeh) and have pre-dawn meals (Sehri) during the fasting month of Ramadhan, the sources said.
Although officials maintained that there were no casualties, eyewitnesses said one woman was injured in the police action.
Chief Minister Omar Abdullah on Saturday had promised as much power supply during Iftaar (fast breaking) and Sehri as possible but had warned of more power cuts during the day.
While the Power Development Department has resorted to unscheduled power cuts, the special dispensation promised by the Chief Minister has not been adhered to so far.
