A. World Science and Technology Day
B. National Science Day
C. World Research and Development Day
D. National Innovation Day
Explanation:
The theme for this year’s National Science Day is announced as ‘Integrated Approach in S&T for Sustainable Future’.
Union Science and Technology Ministry has announced this recently. The theme has been chosen for raising public awareness of scientific issues. National Science Day is celebrated in India on 28 February to mark the discovery of the Raman effect by Indian physicist Sir C. V. Raman.