Which of the following is a Tibeto-Burman language included in the Eighth Schedule of the Indian Constitution?

The correct option is Bodo.

Step-by-Step Explanation:

1. Eighth Schedule of the Indian Constitution:
The Eighth Schedule lists the official languages of the Republic of India. Currently, it consists of 22 recognized languages.

2. Classification of Languages:
- Bodo: It belongs to the Sino-Tibetan language family, specifically the Tibeto-Burman branch. It is primarily spoken by the Bodo people of Northeastern India (mainly in Assam). Bodo was added to the Eighth Schedule by the 92nd Constitutional Amendment Act, 2003.
- Santhali: It belongs to the Austroasiatic language family (Munda branch).
- Maithili: It belongs to the Indo-Aryan language branch of the Indo-European family.
- Konkani: It also belongs to the Indo-Aryan language branch of the Indo-European family.

3. Conclusion:
Among the given options, Bodo is the only Tibeto-Burman language listed under the Eighth Schedule of the Indian Constitution.