Bengaluru, Nov 8 : Former External Affairs Minister S.M. Krishna on Sunday congratulated newly-elected US President Joe Biden and Vice-President Kamala Harris for winning the historic 2020 US election. "Congratulations @JoeBiden on being elected the 46th President and @Kamala Harris Vice-President of the United States of America. All the best!," tweeted Krishna, who served as India's Foreign Minister from 2009-12 in the Congress-led UPA-2 government. Krishna, 88, studied in the US in the late 1950s and early 1960s and graduated from Southern Methodist University in Dallas, Texas, and George Washington University Law School in Washington DC as a Fulbright scholar. Before becoming a central minister, Krishna was Maharashtra Governor (2005-08) in Mumbai and Karnataka Chief Minister (1999-2004). During his more than 3-year stint as External Affairs Minister, Krishna visited the US a number of times to participate in India-US bilateral meetings and also addressed the United Nations General Assembly. After more than four decades in the Congress, Krishna joined the ruling BJP in 2017. /IANS