Which of the following geographical zones of the country is traditionally associated with the performing art of 'Chhau' dance?

The correct option is Eastern India.

Step-by-step Explanation:

1. Overview of Chhau Dance:
Chhau dance is a traditional Indian tribal dance form that incorporates elements of martial arts, acrobatics, and storytelling. It is predominantly practiced in the eastern states of India, specifically Jharkhand, West Bengal, and Odisha.

2. Three Sub-types of Chhau:
Depending on the region, Chhau dance is classified into three distinct styles named after their respective regions:
- Seraikella Chhau (Jharkhand)
- Purulia Chhau (West Bengal)
- Mayurbhanj Chhau (Odisha)

3. Geographical Zone Association:
Since Jharkhand, West Bengal, and Odisha are all located in the eastern region of India, the geographical zone traditionally associated with 'Chhau' dance is Eastern India.