This is a Special Cancellation issued by India Post, Kerala Circle, to commemorate National Science Day 2026. The cancellation was applied at the Ernakulam Head Post Office (PIN 682011), Ernakulam district, Kerala. National Science Day is observed on 28 February each year, and this cancellation was issued to mark the 2026 celebration.
National Science Day is celebrated across India on 28 February every year to honour the discovery of the Raman Effect by Indian physicist Sir C.V. Raman on that date in 1928. Raman's work on the scattering of light earned him the Nobel Prize in Physics in 1930, making him the first Asian to receive this honour in the sciences. The day is observed with science exhibitions, lectures, and public outreach programs across the country to encourage scientific temper and curiosity among the public. India Post regularly marks the occasion with special cancellations across various cities to give philatelists and the public a tangible connection to this important scientific milestone in India's history.
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