To change the name on a Share Certificate in India in 2025, follow these steps: 1) Submit a formal request to the company or registrar. 2) Provide supporting documents like a marriage certificate, affidavit, or court order for legal name change. 3) Return the original share certificate. 4) The company will verify the documents and update the records. A new share certificate with the corrected name will be issued. Processing time may vary depending on the company.