National Science Day is celebrated every year on February 28th in India to commemorate the discovery of the Raman Effect by physicist C.V. Raman in 1928. The objectives of National Science Day are to spread awareness of the importance of science in daily life, display achievements and efforts in the field of science for human welfare, and discuss new technologies and issues to encourage development. Past themes have focused on topics like gender equity, clean energy, genetically modified crops, and using science for nation building.