The presidential secretariat which was occupied by the protesters from July 9 till Friday last is re-opened and the staff reported to work on Monday, officials said.
A major riot broke out in Sri Lanka's main Welikada prison in Colombo on Friday, leaving at least nine people dead and 35 others injured.
What comes as a relief to five families, Sri Lankan President Mahinda Rajapaksa has agreed to pardon and release the five Tamil fishermen serving a death sentence for drug smuggling in the island nation.
India's external affairs ministry has said that the government will appeal against the judgment of a court in Sri Lanka to sentence five Indian fishermen to death.