Article Detail National Science Day Answer: 28 February Similar Questions : 1. World Post Office Day Answer: 9 October 2. Engineer's Day Answer: 15 September 3. World Meteorological Day Answer: 23 March 4. National youth day Answer: 12th January. It is celebrated on the birthday of swami Vivekanand ji 5. World Leprosy Eradication Day Answer: 30 January 6. Legal Services Day Answer: 9 November 7. World TB Day Answer: 24 March Read more from - Important Days of Year