The role in development of Bihar
- Development of agriculture; Controlling flood; Development of village economy.
- Development of Industry and Employment Generation:
- Such projects can create a favourable climate for the development of industry by offering the facilities like cheaper power, better water transport, availability of raw materials at cheaper rates for agro-based industries etc.
- Water supply for domestic and industrial uses:
- Triveni nahar, Tirhut nahar on Gandak river,
- Rajpur nahar on Kosi river and
- Kamla nahar on Kamla river.
- Recreation, inland navigation, Drinking Water, conservation of water, fish breeding etc.
- Helps in Bihar government flagship initiative of Jal-Jeevan-Hariyali Abhiyan.



