What is the correct sequence of the riven 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