The correct answer to the question is option 1, Meghalaya. The Khasi and Garo tribes mainly reside in the state of Meghalaya. Meghalaya, which means "the abode of clouds" in Sanskrit, is located in the northeastern part of India. It is one of the seven sister states of the region. Meghalaya is known for its rich cultural diversity, with numerous tribal communities residing in the state. The Khasi tribe is the largest ethnic group in Meghalaya, while the Garo tribe is the second largest. These tribes have distinct languages, traditions, and customs that are unique to their communities. Meghalaya`s landscape, characterized by lush green hills, waterfalls, and caves, also adds to the beauty of the region and makes it an interesting destination for tourists.