Match the following Articles of Indian Constitution with their description.

List-I (Articles)	List-II (Description)
a. Article 17	1. National Commission for Scheduled Tribes
b. Article 46	2. National Commission for Scheduled Castes
c. Article 338	3. Promotes the educational and economic interests of SC/ST and other weaker Sections of the society
d. Article 338-A	4. Seeks to abolish untouchability

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

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

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

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

Answer: Option B