Curfew was clamped on the city on Thursday after clashes broke out between Shiv Sena activists and Sikh outfits.
The SAD-BJP government and the Congress have demanded clemency for Beant Singh's co-assassin Balwant Singh Rajoana.
Patiala Central Jail Superintendent decided to appeal against the sessions court order.
Punjab police and paramilitary forces conducted a flag march in various places apprehending violence in the wake of possible execution of BS Rajoana.
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