Sri Vijaya Puram, Feb. 11: National Science Day is celebrated every year on the 28th of February to mark the Discovery of Raman effect by the Indian Physicist Sir Chandrasekhara Venkata Raman, who was honoured with many awards and won the Nobel Prize in Physics in 1930. The Government of India designates this day as National Science Day in the year 1986 and since then, various programmes are being organized across the country. The Department of Science and Technology, A & N Administration also celebrate this occasion by organizing various programmes.