Which one among the following is the correct order of west flowing rivers in terms of decreasing size of their river basins?
1
Narmada - Tapi - Sabarmati - Mahi
2
Tapi - Narmada - Mahi - Sabarmati
3
Sabarmati - Narmada - Tapi - Mahi
4
Narmada - Tapi - Mahi - Sabarmati