bids are invited for obhs and related service for railways (new version 2.0) - ns1 mechanized coach cleaning of primary based trains at cw depot pygs 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 interior cleaning, watering, pad locking unlocking of terminal train coaches at cw depot pygs for a period of four years 1461 days; internal; complete coach; mechanized; per coach , obhs and related service for railways (new version 2.0) - ns3 mechanized cleaning garbage removal of 2 washing lines, 1 stabling line, pit drain, cat walk, path ways, man hole, 2 store rooms, compressor rooms area, coaching complex, cdo complex and s.. , obhs and related service for railways (new version 2.0) - ns4 on board housekeeping services at prayagraj sangam nr station for four years 1461 days; internal; toilet, berths/seats, vestibule area, window glasses, coach floor area, door area, toilet .. total quantity : अअििततरर आआà¤μà¤μययककतताा /additional requirement