Can I get direct admission in B.Sc in radiotherapy 2nd year after doing Diploma in X-Ray Technician?

No, I do not think direct entry into the 2nd year would be allowed in most institutions. Lateral entry into a different college is only permitted once you have begun your course in B.Sc and have completed your 1st year in B.Sc. You can then apply for lateral entry into a different college in your se