Match the following

List I (Zone)	List II (Districts)
a. Zone I	1. Kinnaur and Lahaul and Spiti
b. Zone II	2. Una, Bilaspur and Hamirpur
c. Zone III	3. Kangra and Shimla
d. Zone IV	4. North-Western Himalayan Region

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

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

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

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

Answer: Option A