At the request made by the Naval & Maritime Academy, Naval Base, Trincomalee, Sri Lanka Atomic Energy Regulatory Council (Council) conducted an educational course for 20 Engineering Mechanic Sailors who are currently following a ‘Nuclear, Biological,Chemical Defence, Damage control including firefighting advanced cource at NBCD school of Naval and Maritime Academy, Trincomalee. As per the above request, the Council conducted one day educational course on 09th October 2018 from 9.00 am to 4.00 pm. The purpose of this course was to enhance their knowledge on Radiation and Nuclear Technology and to obtain details of activities of the Council. Officers of the Council made presentations on basic radiation physics, biological effects of radiation, radiation sources used in Sri Lanka and security of them, emergency preparedness and response and application of nuclear technology. A demonstration of radiation measuring instruments and practical exercise on use of instruments for radiation & contamination measurement were also conducted.