Thirty five years in vaccine research and production encompassing, FMD vaccine, poultry viral and bacterial vaccines, Swine vaccine ( PRRS and PED).
Wellcome Foundation ( now Merial UK) and AVRI, Pirbright UK (1981-82) - FMD Vaccine
Vineland Labs (IGI) Inc. , Vineland, New Jersey, USA - Poultry Vaccines
GD Deventer - SPF egg production.
ICAR, Indian Immunologicals, Dubai Falcon Hospital, Dubai; AVAC Vaccines Vietnam