Question

What are the main rivers in the Peninsular India Flowing into the Arabian sea?

Answer 1

Hint:
The Peninsular India comprises the diverse topological and climatic patterns of South India. The Peninsula is in the shape of a vast inverted triangle, bounded on the west by the Arabian Sea, on the east by the Bay of Bengal and on the north by the Vindhya and Satpura ranges.

Complete answer:
While several rivers drain into the Arabian Sea originating in western ghats, the two main rivers are Narmada and Tapi. Both originate in the ranges of Vindhyas and Satpura and ultimately drain into the sea of Arabia. Indus also drains into the Arab sea, but Indus is a river of the Himalayas and not of the peninsula. In the Bay of Bengal, on the other side, several large peninsular rivers such as Mahanadi, Godavari, Krishna, and Kaveri rivers.
The Ganga and Brahmaputra rivers of The Himalayas also collapse into the Bay of Bengal. This is also why the Bay of Bengal is less salty than the sea of Arabia. About 90% of the gross surface run-off from India flows into the Bay of Bengal and the remainder into the Arabian Sea. In Rajasthan, only a small area has internal drainage. A water divide running roughly along the Western Ghats, Aravallis and Yamuna Sutlej divides the drainage systems flowing into the Arabian Sea and the Bay of Bengal. The Himalayan Drainage System and the Peninsular Drainage The system is known as the Indian Drainage System. Most of the Himalayan Rivers are perennial and young with gorges, V-shaped valleys, and depositional features such as deltas, while the Peninsular Rivers are seasonal and have no extensive tributary network. Here the east and west-flowing rivers with their characteristics are given a general information list.
These, unlike the Himalayan drainage, are devoid of meanders and have a set course. The complete revision capsule for general knowledge relating to the characteristics of east and west-flowing rivers in India are given in the above list.

Note:
Many of the rivers are older and cut through The Himalayas, while peninsular drainage is much older and involves multiple rivers. With nearly graded profiles, peninsular rivers are matured and mostly super-imposed in nature i.e. following the gradient or fault valley.