Obhs And Related Service For Railways (New Version 2.0) -Ns1 Mechanized Coach Cleaning Of Primary Based Trainsand Special Trains At Cw Depot Sln For A Period Of Fouryears 1461 Days; External And Internal; Complete Coach;Mechanized; Per Coach , Obhs And Related Service Forrailways (New Version 2.0) - Ns2 Mechanized Coachcleaning Of Secondary Based Trains At Cw Depot Sln For Aperiod Of Four Years 1461 Days; External And Internal;Complete Coach; Mechanized; Per Coach , Obhs Andrelated Service For Railways (New Version 2.0) - Ns3Interior Cleaning, Watering, Pad Locking Unlocking Ofterminal Train Coaches At Cw Depot Sln For A Period Of Fouryears 1461 Days; Internal; Complete Coach; Mechanized;Per Coach , Obhs And Related Service For Railways (Newversion 2.0) - Ns4 Watering And Clean Train Station Ctsservices In Through Passing Train Coaches At Cw Depot Slnfor A Period Of Four Years 1461 Days; External And Internal;Toilet, Coach Floor Area, Door A.. , Obhs And Relatedservice For Railways (New Version 2.0) - Ns5 Cleaning,Garbage Removal Of 2 Washing Lines, 1 Stabling Line, Pitdrain, Cat Walk, Path Ways, Man Hole, Tool Room, Storebuilding, Cdo Office, Washing Line Complex, Dumping Inmain Dustbi.. Quantity: 5