Re-order paragraphs

b) Normally in Delhi, September is a month of almost equatorial fertility and the land seems refreshed and newly-washed.

d) But in the year of our arrival, after a parching summer, the rains had lasted for only three weeks.

a) As a result, dust was everywhere and the city’s trees and flowers all looked as if they had been lightly sprinkled with talcum powder.

c) Nevertheless, the air was still sticky with damp-heat, and it was in a cloud of perspiration that we began to unpack.