Barack Obama: President of USA. He reached New Delhi on 25 January 2015, along with First Lady Michelle Obama, for a three-day visit during which he was the Chief Guest at the Republic Day function as also held talks on strategic issues, including ways to break impasse in implementation of the civil nuclear deal and enhancing defence ties.
John Kerry: US Secretary of State.
Ban ki-Moon: UN Secretary-General.
Tshering Tobgay: Prime Minister of Bhutan.