bids are invited for custom bid for services - sch a outsourcing of complete loco body cleaning of electric locomotives intensive cleaning of inspection pits offices including toilets and its premises of ptsbza ftsbza , custom bid for services - sch b minimum necessary consumables required for complete loco body cleaning and for cleaning of inspection pits offices including toilets and its premises of ptsbza ftsbza , custom bid for services - sch c housekeeping and maintenance activities of ettcbza including hostel building railway quaters ditc building including hostel rooms including watch and ward round the clock at ettc premises , custom bid for services - sch d cooking serving and cleaning activities at ettc hostel canteen , custom bid for services - sch e minimum necessary consumables required for cleaning activities per month at ettcbza ditc total quantity :