Match the following:

List-I (Concepts)	List-II (Philosophers)
a. Satyagraha	1. Gandhi
b. Varna and caste system	2. Ambedkar
c. Doctrine of Maya	3. KC Bhattacharya
d. Freedom from self	4. Krishnamurti

A. a-1, b-2, c-3, d-4

B. a-4, b-3, c-2, d-1

C. a-1, b-3, c-2, d-4

D. a-4, b-2, c-3, d-1

Answer: Option A