1. Which river is known as 'Dakshin Ganga'? 2. Which is the longest river in India? 3. Which is the largest peninsular river in India? 4. Which river is famous for the Sundarbans Delta? 5. Which is the only major river that flows entirely within India from west to east? 6. The Brahmaputra river enters India in which state? 7. The Godavari river originates from which place? 8. Which river is called the 'Sorrow of Bengal'? 9. Which river is known as the 'Lifeline of Madhya Pradesh'? 10. The Tapti river flows into which gulf?