UPSC Prelims 2022 Question:

With reference to Indian history.

consider the following pairs

Sl. No.	Historical person		Known as
	Aryadeva	:	Jaina scholar
	Dignaga	:	Buddhist scholar
	Nathamuni	:	Vaishnava scholar

How many pairs given above are correctly matched?

Aryadeva

Disciple of Nagarjuna and an important Buddhist monk of Mahayana tradition in the 3rd century. He belonged the Madhyamaka sub-school of Mahayana Buddhism. So, pair 1 is not correctly matched. 

Dignaga

Important 5th century Buddhist scholar. He was a student of Vasubandhu. (Vasubandhu and Asanga were important Buddhist monk who founded Yogachara sub-school of Mahayana Buddhism). He is known for significant role in development of Logic. His major work is Pramana Samuchchaya. So, pair 2 is correctly matched.

Nathamuni

9th-10th century Vaishnava scholar, compiler of Nalayira Divya Prabandham. (4000 Tamil verses by 12 Alvar saints). Also considered as the first Sri Vaishnava Acharya. So, pair 3 is correctly matched.