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7. National Science Day in India is celebrated on-

8. National Science Day is celebrated in India to mark -

3. Raman Effect was discovered in-

4. When the National Council for Science and Technology Communication asked Govt. of India to designate 28 February as National Science Day-

5. National Science Day was celebrated on 28 February for the first time in-

6. For the discovery of Raman Effect Sir C.V. Raman was awarded Noble Prize in Physics-

7. Which award was announced by NCSTC on the celebration of first National Science Day-

8. The Theme for National Science Day of 2019 was-

9. The Theme for the National Science Day of 2020-

10. Raman Effect explain -

11. From 1907 to 1933 Sir C.V.Raman  worked in Kolkata in-

12.Sir C.V. Raman was honoured  by Bharat Ratna in-