Former Member Editional Board.
Neurology (India) official Journal of the Neurological society of India
Indian Journal of Medical Reseach.
Indian Journal of pediatrics.
National Medical Board.
In laks Foundation Scholarships.
Former Member Governing Body
Founder Member spaslics society of Northern India and formerTrustee.
Member Executive Committee
Former Neurosurgical Member executive Committe and Treasurer of the Neurological society of India.
Treas and Member executive committee of the 9th Internatinal congress of neurological surgery 1959.
Life Trustee of the WFNS (India) Trust.
Former Member Board of Studies
Neuro-Oncology - Brain and Spine Tumours
Cerebrovascular surgery. Cranio vertebral anomalies
Retired as Professor and Head of Department Neurosurgery, AIIMS, New Delhi
Neurosurgical Faculty AIIMS, Delhi 1974 to 1994.
Professor and Head Neurosurgeon, AIIMS 1987 - 1994.
Life time Achievement Award (2010) Delhi Neurosurgical Association.
1. Experimental production of hydrocephalus and study of light and election microscopic changes. Study carried out at Ullevaal hospital , Osto (Norway) and AIMMS Delhi.
2. Study on changes in the superior surgical sinus in sub-arachnoid haemorrhage carried out in collaberation with , Departmant of pathology, Ullevaal Hospital, Norway.
3. Anaerobic Infection of Brain ICMR study with Dept of Microbiology AIIMS.
4. EEG Studies in prolonged unconsiousness in head injured patients with Dept, of Neurology AIIMS.
Over 95 publications in National and International Journals and chapters in books.
1. Neurological Society of India.
2. Delhi Neurological Association/
3. Hon. Member Indian Society of Sterrotactic and Functional Neurosurgery.
Medical Council Registration
Delhi Medical Council (3426). Also registered with Punjab Medical council and Madras and ( Tamil Nadu) Medical council.