Annual Maintenance and repairing of 0.1 MLD RO plant installed at BOP RKB 137 Bn BSF Near Indo-Pak Border for keeping R.O. system in continuous operation including cost of replacement of required component like Membrane, Spares, Chemicals, Hardware, etc. as deemed necessary including on call visit and visit of site by Technical Staff on bi-monthly basis during Annual Maintenance for One and half years in Vav-Tharad District Under M & R to BK-4 Ph-2A