Hello I am 33 years male working as a mri...

Hello I am 33 years male working as a mri technician in Dubai. My qualification is three years bachelor degree bachelor of science in Radiological Technology.I have DHA license as Radiological technology.I am working in LLC company in Dubai as a mri technician(magnetic resonance imaging technician)my company hired Radiography technician.they are doing same job like me.what is difference between radiological technologist and radiography technician and what are my right?i even emailed dha but no reply. I want to upgrade my license from radiological technologist to Mri technician. Can u advice which is the best place to do one year training in mri.?let me know online courses/distance learning also.which I can study while working in Dubai. I also want to do master degree in hospital and healthcare management through online and distance learning .