installation of smart class room at chandramaya primary school under kalimpong-i panchayat samiti area. , big vue 150 inches fixed frame projector screen 16:9 diagonal active 3d 4k ultra hd projection screen for classroom, office & home theater (120 inch, white) , regular steel (magnetic) white board for office, home & school (prmwb90120) with heavy-duty aluminium frame | magnet-friendly dry-erase whiteboard with stand | 3x4 feet (pack of 1) , epson eb-e01 xga projector brightness: 3300lm with hdmi port (white) , sounce hdmi cable 4k high-speed hdmi cord 18gbps with ethernet support 4k 60hz compatible with uhd tv, monitor, computer, xbox 360, ps5 ps4, blu-ray, and more 15 meter (50ft) , vilro universal certified 1 to 2 feet/12 to 24-inch adjustable projector ceiling and wall mount kit bracket stand with tilt option (weight capacity of 15kgs 2 ft, white) , hp all-in-one desktop intel® core™ i3-n300,21.5 inch(54.5cm),fhd,anti-glare,8 gb ddr5, 512gb ssd,white wireless keyboard and mouse combo,white, windows 11, 4.17kg,22-dg0786in , canon pixma mega tank g4770 all-in-one (print, scan, copy) wireless inktank printer with adf and fax , ahuja ssb-120® with 120w rms / 160 w max. medium wattage pa mixer amplifier | professional audio sound system with high-quality output for public address, music playback, and events , ahuja 60 watts 2-way compact pa wall speaker asx-612bt , ahuja awm-495v2 dual hand wireless microphone , wiring expenses with insulator fitting and fitting fixing all item