Answer- B
1) Starting from 1950, the 26th of January is annually observed as Republic Day in India because the country obtained a written Constitution and became a sovereign Republic. This year marks the celebration of India's 73rd Republic Day.
2)January 26, 1930, marked the first celebration of Purna Swaraj Day or India's Republic Day, which was a significant step towards gaining complete independence from the British colonial rule.
3)The original manuscript of the Indian Constitution was handwritten by Prem Behari Narain Raizada. It took approximately 2 years, 11 months, and 18 days for the drafting of the Constitution of India, which was assigned to a committee led by Dr. BR Ambedkar.
During India's first Republic Day ceremony in 1950, the Chief Guest was Indonesia's President Sukarno.