Central Drugs Laboratory (CDL), Kasauli is the National Control Laboratory for testing of Immunobiologicals (vaccines and antisera) meant for human use in India.The lab has been established as per the provisions of the Drugs & Cosmetic act 1940 and rules there under.

The lab has the mandate of National Regulations of Vaccines produced indigenously for domestic market, immunization programme of the Govt. of India, export and for those imported to the country.