Class 9 Drainage
🌊 Drainage – जल निकासी प्रणाली (Class 9 SST, Hinglish Notes) 🌟 1. Introduction – परिचय 📌 Drainage ka matlab hai – River system of an area. 💡 Example: Ambala is a water divide between Indus & Ganga river systems. 🇮🇳 2. Drainage System in India – भारत की नदी प्रणालियाँ India ki rivers do … Read more