The correct answer is: A. Kinnaur
Chhanak Cham is a folk dance of the Kinnaur district of Himachal Pradesh. It is a dance of the Kinnauri people, who are a tribal group living in the upper reaches of the Himalayas. The dance is performed by both men and women, and it is a very energetic and lively dance. The dancers wear traditional Kinnauri costumes, and they carry swords and shields. The dance is performed to the accompaniment of drums and cymbals, and it is a very popular dance in Kinnaur.
The other options are incorrect because:
- Chamba is a district in Himachal Pradesh, but Chhanak Cham is not a dance from Chamba.
- Sirmaur is a district in Himachal Pradesh, but Chhanak Cham is not a dance from Sirmaur.
- Lahaul and Spiti is a district in Himachal Pradesh, but Chhanak Cham is not a dance from Lahaul and Spiti.