On this day, every year, National Science Day is celebrated to mark the discovery of the ‘Raman effect’ by Indian physicist Sir C. V. Raman.CV Raman was quite popular even during his learning days, as he used to top at school and university. He has made some remarkable contributions to acoustics and optics.Raman had discovered the famous ‘Raman Effect’ this very day 94 years ago in 1928 and was awarded the Nobel Prize in 1930. It is celebrated since 1987 to spread a message about the importance of science used in the daily life of the people.Every year, National Science Day is celebrated under various themes, and this year's National Science Day 2022 is “Integrated Approach in Science and Technology for Sustainable Future.”