I am a doctor and I am doing MBA[hospital management] from Hungary. I have learnt German until B2. I have got a few interviews in German Hospitals. If I get a job offer, can I leave MBA and convert my Hungarian student visa to German work visa? Or do I have to come back to India and then apply for a visa? Can I leave the course in between and apply for job FROM IMMIGRATION POINT OF VIEW ONLY?? If someone has been through the same, please share your knowledge.