Article Detail National Science Day Answer: 28 February Similar Questions : 1. World Environment Protection Day Answer: 26 November 2. Death Anniversary of Indira Gandhi Answer: 31 October 3. International custom day Answer: 26 January 4. World Book and Copyright Day Answer: 23 April 5. Kargil Memorial Day Answer: 26th July 6. Kisan Divas Answer: 23 December 7. Indian Navy Day Answer: 4 December Read more from - Important Days of Year