PM Modi hails India's progress in science in 'Mann Ki Baat'
In his 41st radio address 'Mann Ki Baat', Prime Minister Narendra Modi on Sunday hailed India's achievements in the field of science ahead of National Science Day. The day is observed on February 28 in remembrance of CV Raman who discovered light scattering effect, PM Modi said. He further remembered scientist Satyendra Nath Bose, after whom 'Boson' particle was named. 