annual maintenance contract of computer for it eqpts, water purifier & cctv camera , computers:- ( a ) desktop copmputer system complete set of p-iv configuration - ( nos - 05 ) ( b ) desktop computer assembled - ( nos - 02 ) ( c ) desktop computer with preloaded operating sysyem configuration intel core i5 windows . mkae: dell - ( nos -12 ) ( d ) all in one desk top computer ( with preloaded operating system ) having cofiguration intel core i3 - 7100 , 7th genration , dual core , 4 gb ddr , 1 tb hd , 21 . 5 led display , window 10 home 64 , 9 . 5mm dvd writer with wireless key board and mouse . make: hp - ( nos - 10 ) , printers :- ( a ) lasser jet printer hp 1020 & plus - ( nos -12 ) ( b ) laser jet printer all in one hp model 1005 ) - ( nos -02 ) ( c ) laser jet printer make: ( ricoh ) - ( nos - 04 ) ( d ) laser jet printer duplex printing type pro ( m403d ) . make: hp - ( nos -01 ) ( e ) colour printer office all in one . mkae: canon pixma - ( nos - 1 ) ( f ) fax machine model no ( mf 4750 ) make: conon - ( nos -01 ) , photocopier machine:- ( a ) digital multifunctional copier machine model no ir-4045 . make: caonon ( nos - 01 ) ( b ) digital photo copier machine model no ir adv c3330 with duplex make: canon ( nos -01 ) , ups:- ( a ) ups 1 kva make ( microtek ) ( nos -28 ) ( b ) ups 600 va make ( intex ) ( nos -01 ) , cctv camera with complete assy ( nos -16 ) , water purifier system:- ( a ) aquaguard total water purification system ( nos -01 ) ( b ) chiller cum dispencer with ro water purifire cap of 25 ltr / grs , make: kent ( nos - 01 ) , public addressing system with speaker . make: ahuja ,