Explanation:

- Option 1: Kathak

- Shambhu Maharaj was a renowned exponent of Kathak, a classical dance form from North India.

- He received the Padma Shri for his significant contribution to this art form.

- Kathak is known for intricate footwork and expressive gestures.

- This is the correct answer.

- Option 2: Bharatanatyam

- This is a classical dance form from Tamil Nadu.

- Known for its fixed upper torso and bent legs, it's different from Kathak.

- Shambhu Maharaj was not associated with Bharatanatyam.

- Option 3: Kuchipudi

- Originates from Andhra Pradesh.

- Known for its fast rhythms and fluid movements.

- Shambhu Maharaj did not specialize in this form.

- Option 4: Manipuri

- Hails from Manipur.

- Distinguished by its gracefully rounded arm and hand movements.

- Shambhu Maharaj was not linked with Manipuri.