Option b is the correct answer. Bhaskaracharya was an ancient Indian mathematician and astronomer who is not associated with medicine in ancient India. He is regarded as one of the greatest mathematicians of India and the world. Bhaskaracharya is the author of the Siddhanta Shiromani, a treatise on mathematics and astronomy that consists of four parts: Lilavati (arithmetic), Bijaganita (algebra), Grahaganita (planetary mathematics), and Goladhyaya (spherical geometry). The Siddhanta Shiromani contains many original and remarkable contributions to various fields of mathematics, such as arithmetic, algebra, geometry, trigonometry, calculus, and number theory. Dhanvantari is considered the god of medicine and is associated with Ayurveda. Charaka and Susruta were ancient Indian physicians who made significant contributions to the field of medicine. Charaka is known for the "Charaka Samhita," a foundational text in Ayurveda, while Susruta is known for the "Susruta Samhita," which contains detailed knowledge of surgery and medicine. Important Tips Some of Bhaskaracharya's notable discoveries include: The concept of zero and negative numbers The solution of indeterminate equations of the first and second degree The derivation of the formula for the area of a cyclic quadrilateral The calculation of the value of pi to 12 decimal places The proof of the Pythagorean theorem by calculating the diagonal of a rectangle The approximation of the sine function by a rational expression The concept of differential calculus and its application to astronomical problems The calculation of the time taken by the earth to orbit the sun as 365.2588 days 2.2 Other Examination Previous Years' Questions Solution: (a) Exp) Option a is the correct answer. Sarvaverman : Gaya Copper Plate pair is not correctly matched. The Gaya Copper Plate inscription records the grant of two villages by Samudragupta to a Brahmin named Jayabhatta in the ninth year of his reign. The inscription also praises Samudragupta's achievements, such as his conquests, his performance of the Ashvamedha sacrifice, and his donations of cows and gold. The inscription is dated in the Gupta era 165, which corresponds to 484 CE in the Gregorian calenda. Ishwarverman : Jaunpur Stone Inscription is correctly matched. The inscription mentions Ishwarverman's genealogy, titles, and achievements, such as his victory over the Hunas and his protection of the holy places. Ishanverman : Harha Stone Inscription is correctly matched. The inscription mentions Ishanverman's genealogy, titles, and achievements, such as his conquests of Magadha, Malwa, and Kosala. Jivit Gupta II : Deva Barnark Inscription: It records the grant of a village by Jivit Gupta II to a Brahmin named Prabhakara in the 10th year of his reign.