National Science Day is celebrated every year on February 28 to commemorate the discovery of the 'Raman Effect'. Government of India designated February 28 as National Science Day in 1986. On this day, Sir CV Raman announced the discovery of the 'Raman Effect' for which he was awarded the Nobel Prize in 1930. On this occasion, theme-based science communication activities are carried out all over the country. Theme for the National Science Day 2020 is "Women in Science".This year, the National Science Day will be celebrated at Vigyan Bhawan on February 28 with women in science as the focal theme of the programme. President Ram Nath Kovind will present several awards for science communication and popularization as well as for women scientists.