Match List-I with List –II and choose the correct answer:

List-I	List-II
(a) Visakhadatta	(1) Surgery
(b) Varahamihira	(2) Drama
(c) Sushruta	(3) Astronomy
(d) Brahmagupta	(4) Mathematics

Codes:

The correct option is (a) - 2, (b) - 3, (c) - 1, (d) - 4.

Let us break down each personality listed in List-I and match them with their respective fields in List-II:

(a) Visakhadatta: Visakhadatta was a celebrated ancient Indian Sanskrit poet and playwright. His most famous play is the Mudrarakshasa. Therefore, (a) matches with (2) Drama.

(b) Varahamihira: Varahamihira was an ancient Indian astronomer, mathematician, and astrologer who lived in Ujjain. He composed the famous text Panchasiddhantika and Brihat Samhita. Therefore, (b) matches with (3) Astronomy.

(c) Sushruta: Sushruta is widely known as the "Father of Indian Surgery". He was an ancient Indian physician and author of the Sushruta Samhita, an important treatise on medicine and surgery. Therefore, (c) matches with (1) Surgery.

(d) Brahmagupta: Brahmagupta was an ancient Indian mathematician and astronomer who wrote the Brahmasphutasiddhanta. He is famous for introducing the concept and rules of working with zero. Therefore, (d) matches with (4) Mathematics.

Combining all the correct matches:
(a) → 2
(b) → 3
(c) → 1
(d) → 4

Thus, the correct code sequence is (a) - 2, (b) - 3, (c) - 1, (d) - 4.