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Home » On this Day — February 28 | National Science Day

On this Day — February 28 | National Science Day

Every year on February 28, National Science Day is observed, with a different theme and purpose of understanding scientific developments. This day is very special for all Indians as this is the date on which CV Raman announced the discovery of ‘ Raman Effect” back in 1928.

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“Integrated Approach in Science and Technology for a Sustainable Future” is the theme for the year 2022. The two important phrases in this subject are “integrated approach” and “sustainable future.”


According to the National Council of Science Museums, an autonomous organisation under the Union Ministry of Culture, the National Council for Science and Technology Communication (NCSTC) requested that the government declare February 28 as National Science Day in 1986.

The Indian government accepted the proposal and established February 28 as National Science Day.

Significance of National Science Day 

National Science Day

The primary goal of National Science Day is to raise public awareness about the value of science and its applications. Every year, National Science Day is observed as one of India’s major science festivals with the intention of achieving a number of objectives.

The goals include, among other things,

  • spreading a message about the importance of scientific applications in people’s daily lives, displaying all of science’s activities,
  • efforts, and achievements for the benefit of human beings,
  • discussing all issues and implementing new technologies for scientific development,
  • encouraging people as well as popularising science and technology.

Raman Effect — What is It? 

When a light beam is deflected by molecules, the Raman Effect causes a change in the wavelength of light. A small fraction of light emerges in all directions other than the incident beam when a beam of light passes through a dust-free, transparent sample of a chemical substance. The wavelength of the scattered light in most sections remains unaltered. However, a small portion of the light has wavelengths that differ from the incident light. The Raman Effect is responsible for this phenomenon.

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