"Design, Construction, Supply, Testing And Commissioning Of Water Supply Schemes (Balance Work Left By Pervious Contractor) With Electric Driven Pumps And Iron Removal Treatment Plant Having Technology (Adsorption/Nano Technology) Of Csir Or Any Other Technology Endorsed/Approved By Gol In The Iron Affected Habitations/Wards Of Different Panchayats Of Block – Saurbazar, Pattarghat & Banma Itahari (Total – 141 Numbers Of Schemes, As Mentioned In Nit) Of District – Saharsa Of Bihar On Turn-Key Basis With 3 Months Trial Run After Commissioning & Comprehensive Operation And Maintenance Of 60 Month After Successful Completion Of Trial Run Period Under Mukhyamantri Gramin Peyjal Nishchayyojna Under P.H. Division, Saharsa.