First of all you need to research the institute which has a strong reputation in immigration law. Then complete the requirements of that institute and submit your application for admission.
Stay updated about the law courses or programs that include the latest immigration laws in their curriculum. Start studying the immigration law program and try to complete it in time.
For getting practical experience during your immigration law studies, you need to get an internship which will help you in understanding the practices of law.
For internship, you can join a law club and try to stay updated with the latest immigration laws of different countries or any particular country you want.
Try to complete your studies in immigration law with in maximum high grades which will earn you a respectable position in an established law firm that deals with immigration cases. It can be a national law firm as well.
You need to get as much knowledge about immigration issues and laws as possible by doing a lot of study. It will broaden your vision and will help you in getting dealing with different cases easily.
You need to become active in participating in political committees that gives you knowledge about the changing laws in immigration sector which will help you becoming a good immigration lawyer with a sound knowledge.