The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide a method for selecting route selection descriptor in network (1000) by a UE (100). The method includes receiving a URSP rule configuration from HPLMN apparatus (200). The URSP rule configuration includes a route selection criteria in a block. The block can be, for example, but not limited to a URSP information block of the URSP rule configuration, a traffic descriptor block of the URSP rule configuration, a route selection descriptor block of the URSP rule configuration, and a route validation criteria block of the URSP rule configuration. Further, the method includes detecting an initiation of an application in the UE. Further, the method includes determining that the URSP rule configuration is applicable to the application. Further, the method includes selecting the route selection descriptor included in the URSP rule configuration in response to determining that the URSP rule configuration is applicable to the application.