Sri Wikrama Rajasinha is said to have governed the Kandy Kingdom as per the laws of Manusmṛti. On 2 March, the kingdom was ceded to the British under a treaty called the Kandyan Convention. Sri Vikrama Rajasinha was captured and sent along with his family and attendants as a royal prisoner by the British to Vellore Fort in southern India. A son was born to him while he was in exile but he died without an issue. The king then adopted the son of his daughter as his own son who was titled . During Sri Vikrama Rajasinha's time as a royal prisoner in Vellore Fort the erstwhile king received a privy purse, which his descendants continued to receive from the Government of Ceylon until it was abolished in 1965. Sri Wikrama Rajasinha died of dropsy on 30 January 1832 aged 52 years.