March 4 is National Sons Day. The annual observance is recognized twice a year. Once in September, and then again in March, ...
National Science Day is celebrated every year on February 28 in India to honor the discovery of the Raman Effect by the ...
National science day is a jubilant ceremony that is celebrated every year on the 28 of February, to commemorate the discovery ...
National Science Day is observed every year on February 28th to mark the discovery of the Raman Effect by Sir C.V. Raman in ...
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