Option b is the correct answer. Mrichchhakatikam ('The Little Clay Cart') is a Sanskritlanguage play written by Sudraka. The play is a romantic comedy that depicts the love story of Charudatta, a poor Brahmin, and Vasantasena, a rich courtesan. The play is set in the city of Ujjayini during the reign of the Shunga dynasty. Buddhacharita is a Sanskrit-language epic poem written by Ashvaghosha, a 1st-century Buddhist philosopher and poet. The poem narrates the life of Gautama Buddha from his birth to his enlightenment and his first sermon. Vasubandhu was another Buddhist philosopher and scholar who lived in the 4 th or 5 th century CE. He wrote many works on Buddhist philosophy and logic, such as Abhidharmakasha and Vijnaptimatratasiddhi. Mudrarakshasa is a Sanskrit-language play written by Vishakhadatta, a 4th-century Indian dramatist and poet. The play narrates the ascent of Chandragupta Maurya to power in India with the help of Chanakya, his chief minister and strategist. Harshacharita is a Sanskrit-language biography of Harshavardhana. The biography was written by Banabhatta, a court poet and scholar of Harsha.