Physics Current Affairs - 2020

February 28: National Science Day

Every year on February 28, India celebrates National Science Day to mark the discovery of Raman Effect by Sir C V Raman. Raman Effect was discovered by the professor on February 28, 1928. This year, the National Science Day is celebrated under the theme

Theme: Women in Science


The National Science Day was first designated in 1986 and was first celebrated in 1987. Sir C V Raman announced his discovery on this day. He was later awarded the Nobel Prize for this discovery in 1930.

It was the National Council for Science and Technology that asked the GoI to pronounce February 28 as the National Science Day. The Council operates under Department of Science and Technology and is the nodal agency in implementing the celebrations of the day.

Raman Effect

The Effect states about scattering of light. When a beam of light comes out of a liquid, the light wave scattered in a direction is different from that of the incoming light wave.

Council of Scientific and Industrial Research (CSIR) tops in Nature Ranking Index-2020

The CSIR of Delhi topped the National Ranking Index 2020 that ranks the scientific research institutes. CSIR was followed by IISc Bangalore.


The Rankings were provided based on the numbers of research output. It is indicated by total citations in numbers. It also includes shares, that is the sharing percentage of an article.

The top research works in India in the current scenario includes environmental science, physics, chemistry and Life Sciences.

Share percentage and scores

The first rank holder CSIR had a share percentage of 87.74 and 142 counts. Followed by CSIR, IISC Bangalore had a share percentage of 83.61 and 211 count. The third rank was won by the Tata Institute of Fundamental Research (TIFR) with share percentage of 62.18 and 232 count.

Top Institutes

The other top institutes included Homi Bhabha National Institute, IIT Bombay, IIT Madras, Indian Association of Cultivation of Science, IIT Guwahati.

GoI Requirements

The GoI is urging scientists to work on topics such as artificial intelligence, 5G, malnutrition, water conservation, prosperity of farmers, etc. The country is in need of these experts.