The correct answer is Vishakhadatta.
Vishakhadatta was a Sanskrit playwright who lived in the 6th century CE. He is best known for his play Mudrarakshasa, which is considered one of the greatest works of Sanskrit literature. The play tells the story of the political intrigue that led to the downfall of the Nanda dynasty and the rise of the Mauryan empire.
Panini was a Sanskrit grammarian who lived in the 5th century BCE. He is considered the father of Sanskrit grammar and his work, the Ashtadhyayi, is one of the most important texts in the history of linguistics.
Patanjali was a Sanskrit grammarian and philosopher who lived in the 2nd century BCE. He is best known for his commentary on Panini’s Ashtadhyayi, the Mahabhasya.
Shudrak was a Sanskrit playwright who lived in the 1st century CE. He is best known for his play Mricchakatika, which is considered one of the greatest works of Sanskrit literature. The play tells the story of a courtesan and her lover, a prince.