Internship, Kasturba Medical College, Mangalore Apr - Sept 1999, Internship, Kilpauk Medical College, Chennai Oct 1999 - Mar 2000, Postgraduate Resident, Dept of Neurosurgery, VHS, Chennai 1st May 2000 - 30th Nov 2000, Postgraduate Resident, Dept of Neurosurgery, VHS, Chennai 1st May 2000 - 30th Nov 2000, Postgraduate Resident, Dept of Otorhinolaryngology, AIIMS, New Delhi, 1st July 2002 - 30th June 2005, Senior Resident, Dept of Otorhinolaryngology, AIIMS, New Delhi, 13th June 2006 - 31st Mar 2007; 15th Oct 2007 - 27th Dec 2009