The various embodiments of the present invention disclose a method of transmitting a Wireless Local Area Network (WLAN) discovery frame over a PC5 link. According to one embodiment, the method includes registering, by one or more User Equipment's (UE), with a Prose Server by sending a capability information for receiving direct discovery or communication parameters, policies, authorization, provisioning and radio resources by the prose server, the one or more UE's to include a WLAN discovery frame in a PC5 message, transmitting, by a first User Equipment, a PC5 discovery message to a second User Equipment, indicating by the second UE, a message to a neighbor awareness networking (NAN) discovery engine indicating the reception of PC5 Discovery message along with the WLAN discovery frame, and establishing by the second UE, a WLAN communication link with the first UE, without performing a WLAN discovery search.