What is the correct sequence of the rivers–Godavari, Mahanadi, Narmada and Tapi in the descending order of their lengths?
(a) Godavari–Mahanadi–Narmada–Tapi
(b) Godavari–Narmada–Mahanadi–Tapi
(c) Narmada–Godavari–Tapi-Mahanadi
(d) Narmada–Tapi–Godavari–Mahanadi
