Sir CV Raman explaining the Raman Effect Pinterest The National Council for Science and Technology Communication approached the Government of India in 1986 to designate 28 February as National Science Day. India Government accepted the proposal and the first National Science Day was celebrated on February 28, 1987. February 28 is observed as National Science Day in India as on this day, world renowned scientist CV Raman invented the 'Raman Effect' in 1928. He won the Nobel prize in Physics in 1930 for the historic invention. Significance of the National Science Day The purpose behind the day is to encourage the youth to develop interest in science and realize its importance. Students across the nation demonstrate various science projects and innovations at numerous state and national competitions organized on this day. On this day, the government of India felicitates scientists who contributed greatly in the field of science.