• 1956 All India Paediatric Conference.
  • 1956 Annual Conference of Association of Surgeons
  • 1956 Annual Conference of India Society of Anaesthetists
  • 1958 All India Ophthalmological Conference
  • 1958 Annual Conference of Indian Association of Pathologists
  • 1959 All India Medical Conference
  • 1960 All India Paediatric Conference.
  • 1968 All India Dental Conference
  • 1971 Indian Orthopaedic Association Conference
  • 1974 National Conference of Otolaryngologists
  • 1978 National Conference of Immunology
  • 1979 All India Conference of Federation of Obst. and Gyn.
  • 1987 National Conference of Cytology
  • 1989 National Conference of Association of Physiologists and Pharmacologists
  • 1989 National Conference of blood Bank
  • 1990 National Cancer Convention
  • 1993 National Conference of Association of Surgeons of India
  • 1993 National Conference of Anatomical Society of India
  • 1994 National Conference of Indian Academy of Paediatrics
  • 1997 National Conference of Association of Radiation Oncologists of India
  • 1998 International College of Surgeons