Explanation:

- Option 1: Devi Sri Prasad

- He is a well-known music composer in the Indian film industry, particularly for his work in Telugu cinema.

- He has composed several hit songs but did not compose "Naatu Naatu."

- Option 2: M.M. Keeravani

- He is an accomplished Indian composer and lyricist.

- He composed the award-winning song “Naatu Naatu,” which gained international acclaim.

- Your answer is right.

- Option 3: S.S. Rajamouli

- He is a prominent Indian film director and screenwriter known for his work in blockbuster films.

- Although he directed the movie featuring "Naatu Naatu,” he did not compose the song.

- Option 4: A.R. Rahman

- He is an internationally renowned Indian composer, known for his work on films like "Slumdog Millionaire."

- He did not compose "Naatu Naatu."

Your answer is correct, as M.M. Keeravani is the composer of "Naatu Naatu."