Obhs And Related Service For Railways (New Version 2.0) -Ns1 Mechanized Coach Cleaning Of Primary Based Trains Atcw Depot Pygs For A Period Of Four Years 1461 Days;External And Internal; Complete Coach; Mechanized; Percoach , Obhs And Related Service For Railways (Newversion 2.0) - Ns2 Interior Cleaning, Watering, Pad Lockingunlocking Of Terminal Train Coaches At Cw Depot Pygs For Aperiod Of Four Years 1461 Days; Internal; Complete Coach;Mechanized; Per Coach , Obhs And Related Service Forrailways (New Version 2.0) - Ns3 Mechanized Cleaninggarbage Removal Of 2 Washing Lines, 1 Stabling Line, Pitdrain, Cat Walk, Path Ways, Man Hole, 2 Store Rooms,Compressor Rooms Area, Coaching Complex, Cdo Complexand S.. , Obhs And Related Service For Railways (Newversion 2.0) - Ns4 On Board Housekeeping Services Atprayagraj Sangam Nr Station For Four Years 1461 Days;Internal; Toilet, Berths/Seats, Vestibule Area, Windowglasses, Coach Floor Area, Door Area, Toilet .. Quantity: 4