Cadambi Sheshachar Venkatachar, CIE, OBE (11 July 1899 – 16 June 1999) was an Indian Civil Servant, diplomat and the Chief Minister of Rajasthan from 6 January 1951 to 25 April 1951. Born a Brahmin in a village about 25 km from Bangalore, to a professional family (both his father and uncle had been educated in English, and were employed by the British Raj) C.S. Venkatachar was educated at Maharaja's Central College, Bangalore and thence at Madras University where he graduated in Chemistry in 1920. In 1921 he travelled to London and sat for the Indian Civil Service exam and was one of the 16 successful entrants (13 Indian and 3 European) out of the Approximately 150 who sat for the exam. He completed his probationary year of service at Cambridge University and joined the Indian Civil Servic