The correct answer is Uttar Pradesh. Key Points - India celebrated its 72‌nd ‌ Republic Day in 2021 with the iconic Republic Day parade at Rajpath in New Delhi. - There was no chief guest due to the pandemic. - A total of 32 tableaux participated this year. - 17 of various states and UTs, 9 of ministries, and 6 from the defense. - The tableau of Uttar Pradesh was adjudged as the best tableau among the 32 tableaux. - The theme of the UP tableau was "Ayodhya: The cultural heritage of Uttar Pradesh".