Explanation:

- The Lai Haraoba Festival is a traditional celebration of the Meiteis, an ethnic group from Manipur, India.

- It reflects the creation of the universe and is marked by rituals, dance, and music.

- Option 1: Deoris are an ethnic group from Assam, India, with their own distinct traditions and festivals.

- Option 2: Meiteis are the main ethnic group in Manipur and celebrate the Lai Haraoba Festival.

- Option 3: Khasis are an indigenous ethnic group primarily residing in Meghalaya, India, with unique culture and festivals.

- Option 4: Sumis are one of the Naga tribes, mainly found in Nagaland, India, with their own cultural celebrations.