Sustainable water management is essential in Arunachal Pradesh to ensure:

Sufficient water for irrigation
Healthy river ecosystems
Long-term hydropower generation
All of the above

The correct answer is: d) All of the above

Arunachal Pradesh is a state in India that is located in the eastern Himalayas. The state is home to a number of rivers, including the Brahmaputra, the Dibang, and the Lohit. These rivers are essential for irrigation, drinking water, and hydropower generation.

Sustainable water management is essential in Arunachal Pradesh to ensure that these rivers are protected and that the state’s water resources are used in a way that benefits all of its citizens.

Option a) Sufficient water for irrigation: Agriculture is a major economic activity in Arunachal Pradesh. The state’s farmers rely on irrigation to water their crops. Sustainable water management is essential to ensure that there is enough water for irrigation.

Option b) Healthy river ecosystems: The rivers of Arunachal Pradesh are home to a variety of plants and animals. These ecosystems are important for the state’s biodiversity. Sustainable water management is essential to protect these ecosystems.

Option c) Long-term hydropower generation: Hydropower is a major source of electricity in Arunachal Pradesh. Sustainable water management is essential to ensure that hydropower can be generated in a way that is sustainable and environmentally friendly.

In conclusion, sustainable water management is essential in Arunachal Pradesh to ensure that the state’s water resources are used in a way that benefits all of its citizens.