The correct answer is (d) Banabhatta.
Banabhatta was a Sanskrit writer and poet who lived in the 7th century CE. He is best known for his work Harshacharita, a biography of the king Harshavardhana. He also wrote the Kadambari, a romance novel, and the Harsacarita, a historical account of the reign of Harshavardhana.
Vijjka was a Buddhist philosopher who lived in the 6th century CE. He is best known for his work Abhidharmakosa, a treatise on Buddhist philosophy.
Shudraka was a Sanskrit playwright who lived in the 4th century BCE. He is best known for his play Mricchakatika, a comedy about a courtesan and a gambler.
Bhavabhuti was a Sanskrit playwright who lived in the 7th century CE. He is best known for his plays Malatimadhava and Uttararamacharita.