annual repair maintenance of electrical and mechanical equipments at pratishtha bhawan(old cgo)building mumbai 20- computer 1 providing services maintenance (software & hard ware) and installation of part ii defective of all computers & printers installed in cpwd offices annexe bldg from 11th floor to 13th floor from 15th floor to 17th floor and main bldg o/o ee (e) mumbai-i sub division ii & iv ) i/c maintain log book by deployed skilled computer technician in office hours on all days except sunday & public holiday 2 supplying of following parts of computer and printer whenever required and dismantling materials shall be handover to sire engineer-in-charge. 2.1 smps(switch mode power supply) 2.2 keyboard wireless/wired 2.3 mouse optical type 2.4 internal hard disk ssd type - 512 gb capacity 2.5 ram -ddr3/ddr4 4gb capacity 2.6 antivirus software-one year validity-one user 2.7 power adaptor of suitable capacity of computer 2.8 teflon suitable for installed printer