1. The river known as the 'Sorrow of Bihar' is? 2. The Indus river originates from which place? 3. The Ganga river originates from which glacier? 4. Which river forms the famous Dhuandhar Falls? 5. Which river is known as the 'Old Ganga' or 'Vridha Ganga'? 6. The Godavari river originates from which place? 7. Which river is famous for the Sundarbans Delta? 8. Which is the only major river that flows entirely within India from west to east? 9. The Yamuna river is a tributary of which river? 10. The Cauvery river originates from which hills?