Answer
(Fatwa: 1002/867=B/1429)
It is not permissible to copy in the exam. As far as medical practice is concerned, if you are well-versed and experienced in treatment then it is allowed for you to choose the profession and your income shall be Halal. And if you do not have sufficient knowledge and experience then it is not allowed for you to opt for the profession.
منها جواز الحجر — علي الطبيب الجاهل دفعاً للضرر العام قال الحموي: الطبيب الجاهل الذي يسقي الناس الدواء ويموت المريض (الأشباه و كذا في يالشامي)
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband