Answer : 4. "Godavari"
Explanation :

1. Godavari River is also known as 'Dakshin Ganga' i.e. “Ganga River of South India”.

2. Godavari River is the largest river of South India.

3. The Godavari River flows in northwestern Maharashtra state before flowing eastward across the broad Deccan plateau (Peninsular India).

4. The Godavari River originates from Trimbakeshwar near Nashik in Maharashtra and flows about 1465 km before falling into the Bay of Bengal. Covers distance.