A. National Science Day
B. National Hindi Diwas
C. National Youth Day
D. National Voters Day
✅ The correct answer is option A.
National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir C. V. Raman on 28 February 1928.
National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir C. V. Raman on 28 February 1928.