bids are invited for obhs and related service for railways (new version 2.0) - ns1 mechanized coach cleaning of primary based trains and special trains at cw depot sln for a period of four years 1461 days; external and internal; complete coach; mechanized; per coach , obhs and related service for railways (new version 2.0) - ns2 mechanized coach cleaning of secondary based trains at cw depot sln for a period of four years 1461 days; external and internal; complete coach; mechanized; per coach , obhs and related service for railways (new version 2.0) - ns3 interior cleaning, watering, pad locking unlocking of terminal train coaches at cw depot sln for a period of four years 1461 days; internal; complete coach; mechanized; per coach , obhs and related service for railways (new version 2.0) - ns4 watering and clean train station cts services in through passing train coaches at cw depot sln for a period of four years 1461 days; external and internal; toilet, coach floor area, door a.. , obhs and related service for railways (new version 2.0) - ns5 cleaning, garbage removal of 2 washing lines, 1 stabling line, pit drain, cat walk, path ways, man hole, tool room, store building, cdo office, washing line complex, dumping in main dustbi.. total quantity : अअििततरर आआà¤μà¤μययककतताा /additional requirement