Head & Neck Oncology Fellowship at Peter Maccallum Cancer Institute, Melbourne, Australia, July – August 1998.

Brachytherapy Fellowship at The New York Hospital, Medical Center of Queens, Flushing, New York, USA, May – July 1995.

Clinical Oncology Fellowship at The Meyerstein Institute of Clinical Oncology, The Middle Sex Hospital, London, July 1992 -Sept. 1992.

1. ASCO (American society of Clinical Oncology) Annual Conference every year from 1999 - 2010.
   
   
2. ASTRO (American Society of Radiation Oncology) Annual Conference 2008, 2009.
   
   
3. ICRO (International Congress of Radiation Oncologist) at Melbourne, 30th January - 2nd February 2001.
   
   
4. World Lung Cancer Conference, 11th – 15th Novemeber 2000 at Tokyo, Japan.
   
   
5. 6th International Congress of Radiation Oncology, 30th Jan to 2nd Feb 2001 at Melbourne, Australia.
   
6. several major international & national conference at regular intervals