Now-a-days almost all the peoples are using internet to accomplish their task through wired or wireless network. As number of users are increases in using wireless network, speed decreases. Though Wi-Fi gives the user speed up to 150mbps as per IEEE 802.11n, which is not sufficient to accommodate number of desired users. To remedy this limitation of Wi-Fi, the authors are introducing the new concept of Li-Fi technology. Li-Fi stands for the Light Fidelity. As per germen physicist Harald Haas: data in the form of illumination taking the fibber out of fiber optic by sending data through an LED light bulb that varies in intensity faster than the human eye can follow.