1. National Symposium on Cancer Update , 1993
2. Hematological society of India, 1994
International Congress of Oral Implantologists (ICOI)
4. National Update on Neurosurgery, 1997
5. Symposium on posterior fossa surgery, 1998
6. NEUROCON, Trivendrum, 1998
7. NEUROCON, Hyderabad, 1999
8. Neurotrauma, Agra,2002
9. NEUROCON, Chandigarh,2003