Indian science history: Why is 28 February celebrated as National Science Day? State the scientific achievement commemorated in India every year on 28 February as 'National Science Day'. Choose the correct option.

Given dataQuestion asks the reason behind celebrating 28 February as National Science Day in India.

Concept/ApproachNational days often commemorate a landmark discovery/event made on that date.

Key factOn 28 February 1928, Sir C. V. Raman experimentally discovered light scattering now known as the Raman Effect.This discovery later earned him the 1930 Nobel Prize in Physics.

AnswerDiscovery of the Raman Effect by C. V. Raman is the reason India celebrates 28 February as National Science Day.

Common pitfallsDo not confuse with space milestones (e.g., Aryabhata in 1975, ISRO set up in 1969) which occurred on different dates.