(i) Most of the major rivers of the Peninsular Plateau such as the Mahanadi, the Godavari, the Krishna and the Kaveri flow eastward and therefore drain into the Bay of Bengal.
(ii) The Narmada and the Tapi are two rivers draining into the Arabian Sea.

Dendritic

(i) Most of the peninsular rivers are seasonal in nature because their flow is dependent on rainfall.
(ii) Even the large rivers have reduced flow of water in their channels during the dry season.
(iii) Therefore, the peninsular rivers have shorter and shallower course as compared the Himalayan rivers.

Two Peninsular rivers flowing in troughs:
(a)Narmada
(b)Tapi(Tapti)

A water divide means the upland which divides the two drainage basins from each other.
Example: Ambala-Saharnpur upland seperates the Indus Basin from the Ganga Basin

Distinction between the Indus Basin and the Ganga Basin

The rivers are important in country's economy because of the following reasons:
1. Because of the rivers being more than water carrying channels,human civilisations,had flourished and developed in the river valleys.
2. Besides water,they carry sediments and minerals which are very useful for us.
3. Rivers sustained all types of human activities like hunting,gathering,pastoral and farming activities by providing them wastes
4. They help cities and towns by carrying their sewage wastes.
5. Rivers provide cheap and efficient inland transport for trade and commerce.
6. Their waste is extensively used in irrigation and in developing hydroelectricity.
7. They also provide water to reservoris are used for fishing and recreational activities.