Embodiments herein disclose a method for managing SOR information by UE in an automatic network selection mode in a wireless communication network. The method includes receiving the SOR information from one of a first VPLMN and a HPLMN and determining whether a SOR information security check is successful and the UE is camped on one of the first VPLMN and the HPLMN and performing one of: continuing to receive services from the HPLMN on determining that the UE is camped on the HPLMN irrespective of the SOR information security check, continuing to receive services from the first VPLMN on determining that the UE is camped on the first VPLMN and that the SOR information security check is successful, and automatically triggering a registration to a second VPLMN available on determining that the UE is camped on the first VPLMN and that the SOR information security check is unsuccessful.