Is BARC exam conducted every year?

Yes, the Bhabha Atomic Research Center conducts an exam every year for filling up the posts of trainee scientific officers (OCESOrientation Course for Engineering Graduates and Science Postgraduates/DGFSGraduate Fellowship Scheme for Engineering Graduates and Physics Postgraduates). The Bhabha Atomi

BARC exam is conducted every year. There is no limit on number of attempts as such. You should satisfy minimum qualification required and upper bound on age is 26 years.