Embodiments herein disclose a method for operating a UE (100) comprising a plurality of SIMs (150). Further, the method includes sending a request message to obtain a time gap configuration from one of: a first network entity (200a) when the UE (100) is registered and connected with the first network entity (200a) through the first SIM (150a) and to the second network entity (200b) when the UE (100) is registered and connected to the second network entity (200b) through the second SIM (150b). Further, the method includes receiving a response message comprising the time gap configuration from one of: the first network entity (200a) and the second network entity (200b). Further, the method includes activating the time gap configuration when the UE (100) is connected to one of: the first network entity (200a) and the second network entity (200b).