28th February is Observed as National Science Day in India (Download PDF)

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28th February is celebrated as the National Science Day i. e. Rashtriya Vigyan Diwas (राष्ट्रीय विज्ञान दिवस) annually in India. Significance of Day: The main objective behind this day is to convey scientific temper in the minds of people of all age groups.

The theme for year 2016 is “Scientific Issues for Development of the Nation” that seeks to floating public appreciation.

To make this day memories every year different activities are conducted by government and privet organization such as:

  • science exhibitions,
  • seminars, workshops,
  • Symposiums etc.

Why National Science Day is celebrated?

This day is being celebrated to marks the epoch-making innovation of Raman Effect by Indian physicist Chandrasekhar Venkata Raman (CV Raman) on February 28,1928 which was awarded with the Nobel Prize in Physics in 1930.

The American Chemical Society designated the ‘Raman Effect’ as an International Historic Chemical Landmark in 2013.


National Council for Science and Technology Communication (NCSTC) had requested Union Government to assign February 28 as the ‘National Science Day’ for India in 1986.

And after that in 2000 on February 28 the first National Science Day was celebrated.

The Raman Effect:

  • Some part of light beam after passing through a transparent medium gets scattered.
  • This miracle of trickle of light is termed as Raman Scattering and the cause of scattering is called the Raman Effect.
  • The wavelength of these scattered rays is different from that of the incident rays of light.

- Published/Last Modified on: February 29, 2016

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