bids are invited for custom bid for services - operation and routine maintenance of security equipment - operation & routine maintenance of security equipments like x-ray machines, etd, dfmd, hhmd, walkie talkie, cctv, fids, pa system etc including daily checks of security system and maintainig of records/ documentations etc. ensuring serviceability and satisfactory working condition of the systems, including maintaining of records and log books and reporting as and when required, complete up keeping of the installations etc.as per the detailed specifications & terms and conditions covered under this contract on all days including sunday and gazetted holiday as directed by engineer-in-charge as reqd. (for one year)