This notice clarifies requirements for submitting post-approval changes to biological products licensed in India. Manufacturers must submit an updated product profile dossier on a yearly basis compiling all changes made after initial approval. The updated dossier must include any changes approved by or notified to the regulatory authority. Additionally, no change impacting a biological product's quality can be implemented before approval from the authority. All manufacturers are instructed to submit an updated dossier adhering to the specified guidance within 15 days.