"Congratulations & best wishes to Ranil Wickremesinghe on being sworn-in as Sri Lanka's Prime Minister," he tweeted.

After Wickremesinghe's United National Party won the Sri Lankan Parliamentary polls, the Prime Minister had called him up on August 18 to congratulate him and expressed confidence that the relations between the two countries will get better under his leadership.

Wickremesinghe was today sworn in as Sri Lanka's Prime Minister for the fourth time following his party's victory in the parliamentary polls.

Wickremesinghe's victory in Monday's election thwarted a political comeback by the country's former strongman Mahinda Rajapaksa, months after he lost the presidential polls to President Maithripala Sirisena.