The solar powered desktops are coming soon into market from "Simmtronics Semiconductors" company.. as per the company news now we can use solar power for desktops, pricing at Rs 28,990
that includes solar setup and with one year on-site warranty ..
This system is not for heavy usages its just for normal computing, accounting, surfing internet.. the PC can withstand for 10 hrs + without solar energy.
The kit includes a 74W solar panel with charge controller, SMF battery and AC inverter. Powering it in the monsoons will be a bit of a challenge though, perhaps you'll need multiple batteries for a few days worth of power.