The President's office announced the swearing-in of Radhakrishnan, a member of the Upcountry People's Front (UPF), as the Deputy Minister of Botanical Gardens and Public Recreation.
A senior parliamentarian of the Ceylon Workers Congress CWC), Radhakrishnan contested the 2010 General Election under the ruling United Peoples Freedom Alliance (UPFA) ticket from Nuwara Eliya District, and came second in preference votes.
The CWC is the large trade union cum political party in the central hill districts. It represents the larger section of the Indian Tamil population in the central districts of Nuwara Eliya and Badulla.
Ahead of the Uva election, Rajapaksa rewarded two more allies representing the Tamil community with similar deputy ministerial positions.
More From This Section
Sri Lanka President is widely believed to call a snap presidential election in a bid to win his third term.
He may make the announcement after November 18, four years since the last election.
In Lanka, a presidential term is six years but the incumbents could call early elections after 4 years in office.