Yes, you can specialize in nuclear medicine after graduating as a radiation technologist. Here are some ways to become a nuclear medicine technologist:

BSc in Clinical Technology with specialization in Nuclear Medicine: This four-year degree includes practical experience.

BSc in Radiography, followed by specialization in Nuclear Medicine: This route takes three years.

Nuclear medicine technologists should have a background in science and math, and an interest in working with patients. They should also have good communication skills, and practical skills such as patient care.

University you should consider JIPMER Puducherry, Sanjay Gandhi Postgraduate Institute of Medical Sciences, AIIMS Rishikesh, and Sri Venkateswara Institute of Medical Sciences.