* An agreement has been signed between Gujarat Water Infrastructure Limited and Essel Infraprojects Limited for the project.* It will developed under Public Private Partnership (PPP).* It will use reverse osmosis technology to process the salt water.* Essel Infraprojects will use Spanish technology from Abengoa for the project. * The financial and structural responsibility rests on the implementing agency.* It will be ready in 30 months, will be made operational by 2021-22.* The concession...