Tenders for Operation And Maintenance Of Water Supply Scheme Birdhana Tehsil Beri District Jhajjar. Operation And Mtc. Of Water Supply Scheme Birdhana, Tehsil Beri, Distt. Jhajjar Including Water Works At Birdhana, B/Station, Tubewells, Installation Pumping Machinery, Electric Installation, Street Light, Chlorination System And All Other