Dr Casikar is a highly accomplished Neurosurgeon. After completing his Fellowship in General Surgery from the Royal College of Surgeons in England, he completed both his neurosurgical training and Doctoral Thesis in 1975 within a period of five years. The subject matter of his thesis was the Developmental Anatomy of Cerebral Arterio Venus malformations which was published as a series of seven papers in the internationally reputed journal, Acta Neurochiruriga. He presented his work at four international neurosurgical conferences.

In 1976, Dr Casikar worked as a Neurosurgeon at the National Institute of Mental Health and Neurosciences, in India. During the next five years, he established a busy neurosurgical service and performed an average 1,500 major neurosurgical procedures per year. He was involved in training postgraduate students and was appointed as Associate Professor and Chief of the Department of Neurosurgery and as one of the examiners. During this period, he continued his work in Arterio- Venous Malformation and presented the results of his research to the International Conference of Hydrodynamics. Additionally, he operated on more than 250 patients with tuberculosis of the spine and neurological complications. The results of these procedures were published in the Journal of the Royal College of Surgeons of England and considered the largest published series on this subject.

In 1980 Dr Casikar was invited as one of the editors of a World Health Organisation publication in neuro-oncology and wrote a chapter on the Uncommon features of tumours of the spinal cord. Following this he headed the Department of Neurosurgery at St John’s Medical College Hospital in India and subsequently at two large hospitals in Saudi Arabia. In 1999, he was invited to direct the research at the Vascular Research Laboratory at the University of Mississippi, USA. In addition to his ongoing neurosurgical responsibilities, he has conducted extensive research on Cerebral Hypoxia at high altitude. His results were presented at the first International Conference in High Altitude Medicine in 1994. Dr Casikar has written over 65 papers either published in internationally recognised journals or delivered at international conferences from 1974 to 2018.

Dr Casikar’s extensive body of work has included working as a Senior Clinical Lecturer at the University of Sydney and the University of Wollongong from 2004 to 2011. In addition, he has been an Independent Medical Assessor since 2010, delivering over 3,000 medico-legal opinions. Dr Casikar also speaks the Indian languages of Kannada, Telugu, Malayalam, Tamil, and Hindi.