Which one the following is a correct sequence of rivers in terms of their total basin area, in the descending order? [IAS 2003] (a) Ganga, Indus, Brahmaputra, Godavari (b) Indus, Ganga, Brahmaputra, Godavari (c) Brahmaputra, Indus, Ganga, Godavari (d) Indus, Ganga Godavari, Brahmaputra