Option 1: A-2, B-1, C-3, D-4

According to this option, Asanga is a Jaina teacher (which is incorrect), Bhadrabahu is a Jurist, Vijnanesvara is an Etymologist (which is incorrect), and Yaska is a Buddhist philosopher. So, this option is incorrect.

Option 2: A-3, B-4, C-2, D-1

According to this option, Asanga is an Etymologist (which is incorrect), Bhadrabahu is a Buddhist philosopher, Vijnanesvara is a Jurist, and Yaska is a Jaina teacher. So, this option is incorrect.

Option 3: A-4, B-1, C-2, D-3

According to this option, Asanga is a Buddhist philosopher, Bhadrabahu is a Jaina teacher, Vijnanesvara is a Jurist, and Yaska is an Etymologist. This matches the given information correctly. Therefore, this option is correct.

Option 4: A-4, B-5, C-1, D-3

This option does not match the given List - II correctly, as it introduces a