University of Calcutta

India's National Science Day celebrates an amazing saga of scientific achievement — the discovery of the Raman Effect by CV Raman. Here's the story behind Asia's first Nobel Prize in science.

Somen Debnath has been travelling across the world on a bicycle to spread awareness about HIV/AIDS. Since the start of his journey in 2004, he has travelled 1,37,900 km and visited 126 countries.