This video is about presentation on interesting and new technology Li-Fi .This is presentation video of university student's.
and You can also easily download the above ppt(power point presentation) from here
Download link for ppt:-https://www.slideshare.net/AshishBaghel12/lifi-light-fidelity-86459634
(OLD)http://www.slideboom.com/presentations/954396/Li---fi-2003-wn
