The correct answer is Dandin, a renowned 7th-8th century Sanskrit scholar. Key details about the works and authors:
- Kavyadarsha: A seminal work on poetics and literary criticism
- Dasakumaracharita: A prose romance narrating ten princes' adventures
- Dandin: Also known for his sophisticated style and narrative techniques
Other notable authors and their works:
- Kalidasa: Wrote Abhijnanasakuntalam and Meghaduta
- Vishakhadatta: Authored Mudrarakshasa
- Bharavi: Known for Kiratarjuniya
Thus, the correct answer is (4) Dandin.