In year 2001, Dr Raman Abrol trained at the University ENT Hospital, Graz, Austria with Professor H. Stammberger in the fine art of Endoscopic Sinus Surgery.
In 2002, he went on a fellowship to Zurich University ENT Hospital, Zurich, Switzerland to train in Otology and Skull – Base Surgery with Professor UGO Fisch and successfully accomplished microsurgery techniques for hearing restoration.
In 2005 , Dr Abrol attended an international workshop at the Singapore General Hospital in Allergy testing, Immunotherapy and allergy management under Professor Lee Kuan.
In 2006, Dr Raman Abrol , trained in Sleep Disorders management at the Stanford Medical Centre, Sleep Disorder Clinic , Palo Alto , USA under Professor Nelson Powell.