1. Because it fulfilled the various purposes together as to benefit huge areas of Gujarat and three adjoining states:
• Availability of drinking water
• Water for irrigation
• Generation of electricity
• Effective floods and drought control in the region.
2. Because in the process of construction of dam about 245 villages from these states were expected to be submerged alongwith the population of two and a half lakh people.
3. Local activist group under the banner of Narmada Bachao Andolan.
4. To relocate and proper rehabilitation of project affected people.