The correct option is A) Mathematics. Lilavati is a seminal work on mathematics authored by the 12th-century Indian mathematician Bhaskara II (also known as Bhaskaracharya). Lilavati covers various topics in arithmetic, algebra, geometry, and mensuration. It is the first volume of Bhaskara II’s main work, the Siddhanta Shiromani, and is written in the form of verses addressed to a princess named Lilavati.