R Rakesh Yadav 🎓 Tutor III ⭐ 5.76K Points 📊 Geography Q. The sorrow of Bihar is (A) Damodar (B) Kosi (C) Son (D) Gandak 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Kosi You must be Logged in to update hint/solution 💬 Discussion 💬 Comment