Affairs, he re-established long-dormant diplomatic relationships with African nations, where his fluency in French made him popular with Francophone countries and their heads of state. Tharoor was a pioneer in using social media as an instrument of political interaction. He was India's most-followed politician on Twitter until 2013, when he was overtaken by Prime Minister Narendra Modi. Some of his Twitter posts have proved controversial in the past and were highlighted negatively by the opposition and press. He was also the first Indian minister to visit Haiti after the devastating 2010 earthquake. He reformed the arrangements relating to the conduct of the Haj pilgrimage. He initiated new policy-planning activities on the Indian Ocean and represented India at various global events during his 11-month tenure as minister. In April 2010, he resigned from the position, following allegations that he had misused his office to get shares in the IPL cricket franchise. Tharoor denied the charges and, during his resignation speech in Parliament, called for a full inquiry. In a 2014 rejoinder he defended his position: "I was never involved in a scam of any sort in the IPL- I was brought down because...[I had] antagonised some powerful political cricketing interests" and added that he had "cooperated extensively with the detailed investigation conducted by the Enforcement Directorate into the entire issue", and no wrongdoing had been found. Between 2010 and 2012 Tharoor remained active in Parliament and was member-convenor of the Parliamentary Forum on Disaster Management, a member of the Standing Committee on External Affairs, of the Consultative Committee of Defence, the Public Accounts Committee, and the Joint Parliamentary Committee on Telecoms. He participated in several important debates of the 15th Lok Sabha, including on the Lokpal Bill, the demand for grants of the Ministry of External Affairs and of the Ministry of Commerce and Industry, the black money debate, and so on. In the special debate on the 60th anniversary of the Indian Parliament, Tharoor was one of four members of the Congress Party, including party President Sonia Gandhi, Prime Minister Manmohan Singh, and Leader of the House Pranab Mukherjee, to be invited to address the Lok Sabha. In 2012 Tharoor was re-inducted into the Union Council of Ministers by Prime Minister Manmohan Singh with the portfolio of minister of state for HRD. In this role he took special interest in the problems and challenges of adult education, distance education and