Which of the following day did India celebrate on 26th January 2021?

Which of the following day did India celebrate on 26th January 2021?

Explanation

India celebrates Republic Day annually on 26 January, and this year the country will celebrate its 72nd Republic Day to mark the day India became a sovereign republic.

While India gained independence from the British in 1947, but it wasn't until 26 January 1950 that the Indian Constitution came into effect and India became a sovereign state, declaring it a republic.