Bhairon Singh Shekhawat is a former Vice-President of India. He served in that position since August 2002, when he was elected to a five-year term by the electoral college following the death of Krishan Kant. He resigned on July 21, 2007, after losing the presidential election to Pratibha Patil. Shekhawat was a member of the Bharatiya Janata Party, the leading member of the National Democratic Alliance at the time of election. He served as the Chief Minister of Rajasthan state three times, from 1977 to 1980, 1990 to 1992, and 1993 to 1998. His father\s name was Shri Devi Singh Shekhawat and his mother was Shrimati Banne Kanwar. He was born in the village of Khachariawas, in the district of Sikar in Rajasthan. He completed high school but was unable to complete college due to his father\s untimely death. He had to support his family. He worked as a farmer and an officer
Which of these should retire from politics?