Sri Lankan President Gotabaya Rajapaksa has appointed an advisory group on debt sustainability composed of economic and financial experts, the president’s media division has said.The members of the advisory group include Indrajit Coomaraswamy, former Governor of the Central Bank of Sri Lanka, Shanta Devarajan, former Chief Economist with the World Bank, and Sharmini Coorey, former Director of the International Monetary Fund (IMF) Institute for Capacity Development, Xinhua news agency reported.