Answer : 3. "डॉ.सी.वी.रमन"
Explanation :

The Indian scientist who has the honor of receiving both the Nobel Prize and the Bharat Ratna is Dr. C. V. Raman. The correct answer is (C) Dr. C. V. Raman. Dr. Raman was awarded the Nobel Prize in Physics in 1930 for his work on the scattering of light, and he was later conferred with the Bharat Ratna, India's highest civilian award, in 1954.