1. A method of adaptive Light Fidelity (Li-Fi) communication for allocating spectrum of visible
light to a plurality of Li-Fi enabled devices in a wireless communication network, the method
comprising:
establishing, by a Li-Fi node, a visible light connection with each of the plurality of Li-Fi enabled devices based on control messages received from each of the plurality of Li-Fi enabled devices;
receiving, by the Li-Fi node, device information from each of the plurality of Li-Fi enabled devices connected to the Li-Fi node, in response to establishing the visible light connection with each of the plurality of Li-Fi enabled devices;
determining, by the Li-Fi node, a data rate requirement and a service type requirement for each of the plurality of Li-Fi enabled devices based on the received device information from each of the plurality of Li-Fi enabled devices connected to the Li-Fi node; and
allocating, by the Li-Fi node, a spectrum of the visible light to at least one Li-Fi enabled device from the plurality of Li-Fi enabled devices based on data rate requirement and service type requirement associated with the at least one Li-Fi enabled device.
2. The method of claim 1, further comprising modifying a Media Access Control (MAC) layer and a Physical (PHY) layer for communicating with the at least one Li-Fi enabled device.
3. The method of claim 1, wherein the allocating the spectrum of the visible light to the at least one Li-Fi enabled device comprises:
determining a required spectrum of the visible light for the at least one Li-Fi enabled device based on the data rate requirement and the service type requirement associated with the at least one Li-Fi enabled; and
determining availability of the required spectrum of the visible light.
4. The method of claim 3 further comprising selecting the required spectrum of the visible light
as the spectrum of the visible light to be allocated to the at least one Li-Fi enabled device, when
the required spectrum of the visible light is available.

5. The method of claim 3 further comprising selecting a spectrum of visible light having higher frequency in comparison with frequency of the spectrum of the visible light to be allocated to the at least one Li-Fi enabled device, when the required spectrum of the visible light is unavailable.
6. The method of claim 1 further comprising:
sending a control message to each of the at least one Li-Fi enabled device in response to allocating the spectrum of the visible light; and
establishing a communication with the at least one Li-Fi enabled device in response to sending the control message.
7. The method of claim 6 further comprising:
analyzing a downlink data rate and an uplink data rate for each of the at least one Li-Fi enabled device in response to establishing the communication with each of the at least one Li-Fi enabled device; and
identifying deviation in at least one of the downlink data rate and the uplink data rate when compared to current data rate requirement of the at least one Li-Fi enabled device, based on the analyzing.
8. The method of claim 7 further comprising re-allocating a spectrum of the visible light to the at least one Li-Fi enabled device based on the current data rate requirement of the at least one Li-Fi enabled device, when the current data rate requirement is more than at least one of the downlink data rate and the uplink data rate for each of the at least one Li-Fi enabled device, wherein the frequency of the re-allocated spectrum of the visible light is different from the frequency of the allocated spectrum of the visible light.
9. The method of claim 1, further comprising:
performing configuration of the Li-Fi node, based on a set of configuration parameters; identifying at least one modification in the set of configuration parameters; and performing re-configuration of the Li-Fi node, based on the at least one modification.

10. A system for adaptive Light Fidelity (Li-Fi) communication to allocate spectrum of visible
light to a plurality of Li-Fi enabled devices in a wireless communication network, the system
comprising:
a processor; and
a memory communicatively coupled to the processor, wherein the memory stores processor instructions, which, on execution, causes the processor to:
establish a visible light connection with each of the plurality of Li-Fi enabled devices based on control messages received from each of the plurality of Li-Fi enabled devices;
receive device information from each of the plurality of Li-Fi enabled devices connected to the Li-Fi node, in response to establishing the visible light connection with each of the plurality of Li-Fi enabled devices;
determine data rate requirement and service type requirement for each of the plurality of Li-Fi enabled devices based on the received device information from each of the plurality of Li-Fi enabled devices connected to the Li-Fi node; and
allocate a spectrum of the visible light to at least one Li-Fi enabled device from the plurality of Li-Fi enabled devices based on a data rate requirement and a service type requirement associated with the at least one Li-Fi enabled device.
11. The system of claim 10, wherein the processor instructions further cause the processor to modify a Media Access Control (MAC) layer and a Physical (PHY) layer for communicating with the at least one Li-Fi enabled device.
12. The system of claim 10, wherein to allocate the spectrum of the visible light to the at least one Li-Fi enabled device, the processor instructions further cause the processor to:
determine a required spectrum of the visible light for the at least one Li-Fi enabled device based on the data rate requirement and the service type requirement associated with the at least one Li-Fi enabled; and
determine availability of the required spectrum of the visible light.
13. The system of claim 12, wherein the processor instructions further cause the processor to
select the required spectrum of the visible light as the spectrum of the visible light to be allocated

to the at least one Li-Fi enabled device, when the required spectrum of the visible light is available.
14. The system of claim 12, wherein the processor instructions further cause the processor to select a spectrum of visible light having higher frequency in comparison with frequency of the spectrum of the visible light to be allocated to the at least one Li-Fi enabled device, when the required spectrum of the visible light is unavailable.
15. The system of claim 10, wherein the processor instructions further cause the processor to:
send a control message to each of the at least one Li-Fi enabled device in response to allocating the spectrum of the visible light; and
establish a communication with the at least one Li-Fi enabled device in response to sending the control message.
16. The system of claim 15, wherein the processor instructions further cause the processor to:
analyze a downlink data rate and an uplink data rate for each of the at least one Li-Fi enabled device in response to establishing the communication with each of the at least one Li-Fi enabled device; and
identify deviation in at least one of the downlink data rate and the uplink data rate when compared to current data rate requirement of the at least one Li-Fi enabled device, based on the analyzing.
17. The system of claim 16, wherein the processor instructions further cause the processor to re¬
allocate a spectrum of the visible light to the at least one Li-Fi enabled device based on the
current data rate requirement of the at least one Li-Fi enabled device, when the current data rate
requirement is more than at least one of the downlink data rate and the uplink data rate for each
of the at least one Li-Fi enabled device, wherein the frequency of the re-allocated spectrum of
the visible light is different from the frequency of the allocated spectrum of the visible light.

18. The system of claim 10, wherein the processor instructions further cause the processor to: perform configuration of the Li-Fi node, based on a set of configuration parameters; identify at least one modification in the set of configuration parameters; and perform re-configuration of the Li-Fi node, based on the at least one modification.