18. India Celebrates 28 February every year as 'National Science Day' because on this day - A.first Indian Space craft was launched B.Nehru laid the foundation of Science labs all over India C.in 1928 C. V. Raman discovered what was later called the 'Raman Effect' D.Vikram Sarabhai was born
Option C Solution: 28 February recalls the notable invention "Raman Effect" by India's greatest scientist C. V. Raman. He was awarded the Nobel Prize for this discovery.