Which one of the following shows the correct sequence of places in descending order of the average summer rainfall ? [CDS 1993] (a) Jaisalmer, Pune, Allahabad, Cherapunji (b) Cherapunji, Jaisalmer, Pune, Allahabad (c) Allahabad, Pune, Jaisalmer, Cherapunji (d) Cherapunji, Allahabad, Pune, Jaisalmer