The correct option is D Science and Technology for a Sustainable Future
The National Science Day (NSD) is observed every year on February 28 to mark the discovery of Raman effect by Physicist CV Raman on 28th February, 1928. The purpose of the day is to spread the message of importance of science and its application among the people. The theme of NSD-2018 was Science and Technology for a Sustainable Future, which had been chosen for the purpose of raising public appreciation of the scientific issues involved.