Desktop & Laptop Hardware Support

I need hands-on hardware support for a group of office desktops and laptops. The priority is hardware support, and the machines are showing a mix of performance slow-downs, intermittent hardware failures,... (Budget: ₹750 - ₹1250 INR, Jobs: Computer Repair, Computer Security, Documentation, Network Administration, System Admin, Technical Support, Troubleshooting, Windows Server)