Explanation:

- Option 1: Sana Saeed

- Sana Saeed is an actress known for her role in the movie "Kuch Kuch Hota Hai."

- There is no public record of her receiving the Bharat Ratna Dr Ambedkar Award.

- Option 2: Harshaali Malhotra

- Harshaali Malhotra is a child actress known for her role in "Bajrangi Bhaijaan."

- She received the Bharat Ratna Dr Ambedkar Award in 2021.

- This is the correct answer.

- Option 3: Arjun Rampal

- Arjun Rampal is an actor and model in the Indian film industry.

- There are no reports of him receiving this specific award.

- Option 4: Jagannath Nivangune

- Jagannath Nivangune is an actor who has worked in various Indian television series.

- He hasn't been reported as a recipient of this award.