Caves and rock shelters found in Arunachal Pradesh likely served as:

The correct answer is: All of the above.

Caves and rock shelters found in Arunachal Pradesh have been used for a variety of purposes, including habitation, burial, and ritual.

• Habitation sites: Caves and rock shelters provide a natural shelter from the elements, and they have been used for habitation by humans for thousands of years. In Arunachal Pradesh, there are many caves and rock shelters that have been occupied by humans, dating back to the Stone Age.
• Burial grounds: Caves and rock shelters have also been used as burial grounds. In Arunachal Pradesh, there are many caves and rock shelters that contain human remains, as well as artifacts associated with burial, such as pottery and stone tools.
• Places of ritual significance: Caves and rock shelters have also been used as places of ritual significance. In Arunachal Pradesh, there are many caves and rock shelters that are associated with religious beliefs and practices. For example, some caves are believed to be the home of spirits, while others are used for ceremonies and rituals.

The use of caves and rock shelters for a variety of purposes is a testament to their importance in the lives of people in Arunachal Pradesh. These sites provide valuable insights into the history and culture of the region.