Match the provisions provided under List-I with the respective legislations under which they are covered under List-II.

List-I	List-II
a. Compulsory Insurance	1. The Payment of Gratuity Act, 1972
b. Scheduled Employment	2. The Industrial Disputes Act, 1947
c. Protected Workman	3. The Maternity Benefit Act, 1961
d. Medical Bonus	4. The Minimum Wages Act, 1948

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

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

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

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

Answer: Option D