PLAB is a licensing exam for International Medical Graduates wishing to practice in the UK. PLAB has two parts, PLAB 1 and PLAB 2. Once you’ve passed your PLAB 2, you can get GMC registration to become eligible to work in the UK as a doctor.
but Newzealand and Australia accept PLAB if you've at least 2 years of training experience in the UK.
many Arab gulf countries accept it also like Emarat, Kuwait, Qatar, and Saudia.
Ahmad Ismail, M.S from Kharkov National Medical University (2019)
Source: Quora Digest