Sir Mokshagundam Visvesvaraya popularly known as Sir MV; 15 September 1861 – 14 April 1962) was a notable Indian engineer, scholar, statesman and the Diwan of Mysore during 1912 to 1918. He was a recipient of the Indian Republic's highest honour, the Bharat Ratna, in 1955. He was knighted as a Commander of the British Indian Empire by King George V for his myriad contributions to the public good. Every year, 15 September is celebrated as Engineer's Day in India in his memory. He is held in high regard pre-eminent engineer of India. He was the chief designer of the flood protection system for the city of Hyderabad, as well as the chief engineer responsible for the construction of the Krishna Raja Sagaradam in Mysore.