Answer: Assam
Notes:
- Wanchuwa Festival is celebrated in Assam by Tiwa tribesmen to mark their good harvest.
- Tiwa is also known as Lalung is an indigenous community inhabiting the states of Assam and Meghalaya and are also found in some parts of Arunachal Pradesh and Manipur.
- They are recognized as a Scheduled tribe within the state of Assam.
- They practice Jhum or shifting cultivation.
- Wanchuwa is one of the most important festivals of this tribe.
