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The largest river basin  in the Peninsula plateau is Godavari  river basin
Its features are:-
Its tributaries are the Purna, the Wardha, the Pranhita, the Manjra, the Wainganga and the Penganga.
 ​it is also known as the ‘Dakshin Ganga’ because of ​ its length and the area it covers.
It also helps in producing Hydro-Electricity
The largest river basin of peninsular plateau is the GANGA-BRAHMAPUTRA deta or the sunderbans delta.

Its features are :

It is a native place of sundari trees.
It is the home of royal bengal tiger.
it is one of the world's largest and fastest growing delta.