Radiotherapy is very niche and one can take up career opportunity as Radiologist or work into clinical organization.

You can alternatively take up Jobs in Pharmaceutical Industry into research and development, Designing, Production.

Opportunities abroad jn Middle east are great for radiology and sonography as career with 30,000 dirhams as starting salary.

In India, avergae salary is in 10-15k.

To gain more understanding of salary and scopes into Industry check below:-

http://www.indiaeducation.net/careercenter/medical/radiography/