Panchatantra has been written by :

The correct answer is D. Vishnu Sharma.

Panchatantra is a collection of ancient Indian animal fables and moral stories that were first compiled in Sanskrit in the 3rd century BCE. The stories are told in a frame narrative, in which a king asks a wise Brahmin to teach his sons how to be wise and successful rulers. The Brahmin tells the sons the Panchatantra stories, which are full of wisdom and practical advice.

The Panchatantra stories have been translated into many languages and have been enjoyed by people all over the world for centuries. They are a classic example of Indian literature and have had a profound influence on Indian culture.

The other options are incorrect.

• Kalidas was a Sanskrit poet and dramatist who lived in the 5th century CE. He is considered one of the greatest poets in the history of Sanskrit literature.
• Surdas was a blind Indian poet who lived in the 16th century CE. He is considered one of the greatest poets in the history of Hindi literature.
• Vishakhadatta was a Sanskrit dramatist who lived in the 5th century CE. He is best known for his play Mudrarakshasa, which is considered one of the greatest plays in the history of Sanskrit literature.