Explanation:

- Bharatanatyam is a classical dance form originating from Tamil Nadu, a state in southern India. It is one of the oldest dance forms in India, known for its grace, purity, and sculpturesque poses.

- Option 1: Kerala is famous for other classical dance forms like Kathakali and Mohiniyattam, not Bharatanatyam.

- Option 3: Assam is known for its traditional dance form called Sattriya, not Bharatanatyam.

- Option 4: Manipur is renowned for Manipuri dance, a different classical dance form.

Option 2: Tamil Nadu is the correct answer.

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