Challenger Computers Ltd , New Delhi, (HP Canon for Laser, Inkjet printers; Canon for Scanners; Intel for CPU, Motherboards; TVSE for dot matrix Printers, UPS, Keyboards; LG for Colour monitors, Branded computer Robotics for Modems; Seagate for Hard disk drives; Creative Labs for Multimedia kits; Consumables for TVSE, HP, Samsung, Tektronics; Airtel for Mobile connections & handset; Dishnet dial for Internet connections. )