What is the correct sequence of the rivers- Godavari, Mahanadi, Narmada and Tapi in the descending order of their lengths? [IAS 2003] (a) Godavari - Mahanadi - Narrnada - Tapi (b) Godavari - Narmada - Mahanadi - Tapi (c) Narmada - Godavart - Tapi - Mahanadi (d) Narmada- Tapi - Godavari – Mahanadi