Answer: Manipur
Notes: In Manipur, the Mera Hou Chongba festival is celebrated on 7th October 2025, symbolising Hill-valley unity. Village chiefs from various indigenous hill districts arrived at the Manipur Royal Palace, Imphal to participate. The festival occurs on the 15th lunar day of the Mera month of the Meitei calendar every year. Mera Hou Chongba is the only festival in Manipur with participation from all indigenous communities.
