Sir Chandrashekhara Venkata Raman (onye a mụrụ na Madras Province na India (ugbu a na steeti Tamil Nadu), bụ onye ọkà mmụta sayensị India, onye rụrụ ọrụ dị egwu n'ọhịa nke ịgbasa ọkụ, nke mere ka o nweta 1930 Nobel Prize maka Physics. Ọ chọpụtara na mgbe ìhè na-agafe na ihe na-egbuke egbuke, ụfọdụ n'ime ọkụ ọkụ na-agbanwe wavelength na amplitude. Ihe a, nke a na-akpọ Raman scattering, na-esite na mmetụta Raman. Na 1954, gọọmentị India kwanyeere ya nsọpụrụ nke kachasị elu nke India, Bharat Ratna. Ajụjụ: Kedu ihe nrite kachasị elu nke nwa amaala na-enweghị ahụmịhe agha nwere ike inweta na India?
Bharat Ratna