Sri Lanka police said the presidential palace and the Prime Minister's private house lost more than 1,000 items, including antiques, after the protest occupied.
The Sri Lanka media quoted the source that the police had set up special investigating teams, starting to search for about 1,000 items that were taken away from the Presidential and Prime Minister.
The protesters on January 9 entered the Palace of President Sri Lanka to ask Mr. Gotabaya Rajapaksa to resign.
Hundreds of people of Colombo capital on July 13 rushed into the Prime Minister's office to express discontent.
The protesters continued to control a part of the presidential palace even though Rajapaksa ran abroad on July 13 and then resigned a day later.
Sri Lanka protesters in the Prime Minister's office in Colombo on July 13.
The effort to investigate and recover the stolen property is facing great obstacles in the inventory step.
A senior official of the Sri Lanka archaeological ministry responded to the local media that this agency was difficult to statistical and accurately the number of antiques lost after the wave of protests and violence recently.
The new President Ranil Wickremesinghe confirmed that he respects the right to express his views in peace.
He empowered the army and police to use all necessary measures to prevent protesters from rushing into the public agency and hindered the Sri Lanka National Assembly.
The Indian Ocean island with about 22 million people are immersed in an unprecedented economic and political crisis.
President Wickremesinghe, who is assessed to be capable of economic management and political experience, are looking for internal reform and negotiation of rescue packages from foreign organizations, including international monetary funds.
Wickremesinghe was elected Sri Lanka's new president, but he may not be able to bring the country to overcome crisis, according to experts.
Wickremesinghe, who has just been elected by the Sri Lanka National Assembly as president, used to work 6 terms of the Prime Minister, but all broke the burden in the middle of the road.