In India, every year 5th September is celebrated as which day?

September 5th is celebrated as Teacher's Day in India to honor the birth anniversary of Dr. Sarvepalli Radhakrishnan, who was India's first Vice President and second President. He was a renowned philosopher and educator, and when he became President, his students requested to celebrate his birthday as Teacher's Day. Martyr's Day is January 30th, Navy Day is December 4th, and Father's Day is a June celebration.