National Science Day 2026: Check Theme, slogans, speech ideas, The Raman Effect and everything you need to know

National Science Day 2026: National Science Day 2026 is observed in India every year on February 28 to honour the scientific discovery made by Indian physicist Sir Chandrasekhara Venkata Raman (C.V. Raman). The Raman Effect explains how light changes when it passes through a clear material. This year's theme is “Women in Science: Catalyzing Viksit Bharat.”