Arrange the following cities in decreasing order of the rainfall they receive from the south-west monsoons in summer months:
Allahabad
Kolkata
Delhi
Patna
(a) 2, 4, 1, 3
(b) 3, 1, 4, 2
(c) 1, 4, 3, 2
(d) 2, 4, 3, 1
The correct option: (d) 2, 4, 3, 1