In the decreasing order of the length of the rivers, the correct sequence is : [CPO AC 2003] (a) Brahmaputra - Ganga - Godavari - Narmada (b) Ganga - Godavari - Brahmaputra - Narmada (c) Brahmaputra - Narmada - Godavari - Ganga (d) Ganga - Brahmaputra - Godavari – Narmada