The east-flowing rivers of South India :
1. The main rivers are Mahanadi, Godavari, Krishna and Kaveri.
2. These rivers drain into the Bay of Bengal.
3. These rivers make deltas at their mouth.
4. These rivers have large- amount of water.
5. These rivers originate from the western Ghats and flow eastwards.
The West-flowing rivers of South India :
1. The main rivers are Narmada and Tapi.
2. These rivers drain in the Arabian Sea.
3. These rivers do not make deltas.
4. These rivers have less amount of water.
5. These rivers originate in Central India and flow westwards.