• Dosimetry & Dose planning course at Gamma Knife Centre, Komaki City Hospital, Nagoya, Japan, May 1999
• International Workshop on Stereotactic Techniques Oct1998 at Karolinska Hospital, Department of Neurosurgery, Stockholm, Sweden
• Course of Technical Instruction and study at the Brain Atlas Operators course in June 1992 at Mundelein, IL, USA
• Microneurosurgery Fellowship at Fujita Health University for 1 year (November 1985 to October 1986)
• MCh (Neurosurgery), NIMHANS, Bangalore, 1981
• MBBS, King George Medical College, Lucknow, 1974

Speciality Interest

• Spine Surgery
• CerebroVascular Surgery
• Base of Skull Surgery
• Intraventricular Tumour Surgery
• Craniovertebral Junction Surgery

• 31 years of experience in Neurosurgery
• Chairman Neurosurgery, Sir Ganga Ram Hospital, since February 2010
• Prof. at SGPGIMS, Lucknow, April 1999 to February 2010
• Visiting Fellow, Hannover, Germany, 17 July, 2001
• Visiting Professor at University Hospital of Geneva, Geneva, Switzerland from 15th to 30th June 2001
• Visiting Professor at Fujita Gakuen Health University, Toyoake, Aichi, Japan from 03.05.1999 to 29.05.1999
• Additional Prof. at SGPGIMS, Lucknow, September 1987 to April 1999
• Associate Prof. at NIMHANS, Bangalore, December 1984 to September 1987
• Assistant Prof. at NIMHANS, Bangalore, September 1981 to December 1984

Memberships

• Past President of Neurological Society of India
• Past President of Skull Base Surgery Society of India
• Past President of Indian Society of CerebroVascular Surgery
• Past President of NeuroTrauma Society of India
• Past President of UP NeuroScience Society
• Past VicePresident of Asian Congress of Neurosurgery

Awards

• Described new entity of Benign Subarachnoid hemorrhage (Published)
• Described new technique for Surgery of Atlanto Axial Dislocation (Published)
• Examiner for award of neurosurgery degree at prestigious organizations
• Vice President of Asian Australasian Society of Neurological Surgeons

Research Papers & Publications

• Authored a book "Craniovertebral Junction Anomalies – The Indian Experience" published in 1997
• Numerous publications, articles, book chapters in international and national publications/journals