India Celebrates February 28 every year as 'National Science Day' because on this day
  • 1first Indian Space craft was launched
  • 2Nehru laid the foundation of Science labs all over India
  • 3in 1928 C.V. Raman discovered what was later called the 'Raman Effect'
  • 4Vikram Sarabhai was born
Answer:- 1
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