Kullu Dussehra is a colourful festival majority celebrated majorly celebrated in which state/union territory ?

Himachal Pradesh

The correct answer is Option (4) - Himachal Pradesh

Kullu Dussehra, also known as the International Mega Dussehra, is a renowned and vibrant festival celebrated in the Kullu Valley of Himachal Pradesh, India. It's a week-long celebration marked by processions, cultural performances, and the presence of deities from various temples in the region.