1. Incomplete or Incorrect Documentation Why It Happens: One of the most frequent reasons for rejection is missing or invalid documents. Applicants may submit outdated certificates, forget mandatory affidavits, or leave out key declarations. Common Missing Documents: Rent agreement or property proof not notarized Pharmacist’s registration certificate not attached PAN card/... https://www.psrcompliance.com/blog/what-is-form-21b-drug-license