Match the following columns

Column I	Column II
a. 1st Five year plan	1. 1956 - 1961
b. 2nd Five year plan	2. 1951 - 1956
c. 3rd five year plan	3. 1969 - 1974
d. 4th five year plan	4. 1961 - 1966

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

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

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

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

Answer: Option B