BARC organizes two kind of exams. One is DGFS & the another one is OCES. These are the training school on completion of the training schools.

BARC Training Schools provide two Training Schemes to deserving candidates ambitious of pursuing a rewarding career in Nuclear Science, Engineering and Technology and

1. who would relish challenges in frontier areas of Science & Technology ,
2. who would like to be part of an expanding program of Nuclear Power / Research Reactors, Accelerators and Nuclear Fuel Cycle Technologies,
3. and
3. who would enjoy pursuing innovative research in frontier areas of Engineering, Physics, Chemistry, Bioscience, Geology.

They are respectively called Orientation Course for Engineering Graduates and Science Postgraduates (OCES) and DAE Graduate Fellowship Scheme for Engineering Graduates and Physics Postgraduates (DGFS) .

Successful completion of the Training Schemes guarantees employment as Scientific Officer  in one of the DAE units or Atomic Energy Regulatory Board with attractive career progression opportunities up to the highest echelons.

You can visit the link below to know in elaborative form:

https://www.barconlineexam.in/science/index.html

I hope my answer helps. All the very best for your future endeavors!