:supply, Installation And Commisioning Of Rooftop Rainwater Harvesting Underground Tank With Complete Fitting And With All Accessories With Isi Made Pipes, Filter And Underground Polymer Heavy Duty Water Tank, Make Equivalent To Iso Code, Material Heavy Duty Having 3000 Litre Capacity Of Each Suitable For 6000 Litre As Per Site Linked With Each Other Of 32 No. Of Villages Of Palwal And Hathin Block Of District Palwal.