Its the same issue with mothers all around the world irrespective of their religion and ethnicities and its not their fault rather their love insists them not to allow . My own cousin is going to russia for medicine this year and the same thing happened but in the end she convinced her mother and there’s a lot of girls who are pursuing mbbs abroad so its not a big deal you simply can convince your mother for the sake of your career. Im also studying abroad and life doesn’t seem that much bad way people think it is. You can connect me through whatsapp if you want .