sorrow of Bihar is Kosi, sorrow of Bengal is Damodar, Amarkantak(source of son) is in mp His Wonderful video 41 mountains in the world by length .brDrainage System of India is divided into Himalayan Rivers (Indus, Ganga and Brahmaputra) and Peninsular Rivers (4 West Flowing Rivers - Sabarmati, Mahi, .brThis lecture is all about Indian River System (Part 1) which deal with Himalaya River System in depth. In this I cover Indus river system, Ganga river system, .brIndus river system is very important river system of Himalayan rivers system in India. it is part of geography of India in Hindi. in this video we have explained .