We do all type of computer laptop mobile sales and service "Do Come Once Never Regret. Checksum_Bits is the one and only Computer Repair and Technical Consultancy for Repairing, Training, Networking, Anti-virus, CCTV Surveillance, Bio-Metrics,and Updates/Upgrade Service(s) to local small/medium Business as well as Home PC/laptop users . Checksum_Bits is focused on a market for Responsiveness, Quality and Creating and retaining Customer Relations in Darjeeling .We are a sole-proprietary Computer Repair and Technical Consultancy providing you a very reliable service since 2015 .The vision for establishing Checksum_Bits came to us upon our discovery that most people in the hills were looking for some improved techniques in computer sales as well as in the repair service field .Our motives are clear and definite: that of creating a great customer experience and of building good relationship and rapport with our valued customers serving in the Darjeeling district and in understanding your need(s) which allows us to offer creative and customized solution(s) to meet your particular end(s) .