Explanation:

- Option 1: Madhya Pradesh

- This is the correct answer. ‘Maach’ is indeed a traditional theatre form of Madhya Pradesh. It's a distinct drama form known for its lyrical content and musical dialogue delivery.

- Option 2: Karnataka

- Karnataka is known for its theatre forms like ‘Yakshagana,’ which is completely different from ‘Maach’.

- Option 3: Nagaland

- Nagaland does not feature ‘Maach’ as a traditional theatre form. Instead, the state is known for various tribal dances and performances.

- Option 4: Assam

- Assam's cultural performances include forms like ‘Bhaona’. ‘Maach’ is not traditional to Assam.