What Is Form 21B and Why Do Objections Arise? Form 21B is a wholesale drug license for selling Schedule C & C1 drugs such as injectables, vaccines, and biological products. Applications for this license go through a scrutiny and inspection process, where the licensing authority checks: Legitimacy of documents Compliance with premises & cold storage norms Qualification of the... https://www.psrcompliance.com/blog/types-of-drug-license-in-india