Rematerialisation is the process of converting electronic Demat securities — held in an investor's Demat account with NSDL or CDSL — back into physical share certificates, at the investor's explicit request. It is the reverse of dematerialisation. The investor submits a Rematerialisation Request Form (RRF) to their Depository Participant (DP), specifying the ISIN and quantity of securities they wish to convert back to physical form. The DP processes the request with the depository, which forwards it to the company's Registrar and Transfer Agent (RTA). The equivalent quantity of electronic shares is debited from the Demat account, and new physical share certificates are issued and dispatched to the investor's registered address — a process that typically takes 30 to 45 days. While rematerialisation is technically available, it is strongly discouraged in modern Indian capital markets — physical shares cannot be traded on NSE or BSE (which mandate Demat-only trading), are difficult to pledge as collateral, carry risks of loss, theft, or damage, and require physical submission for future sale. The primary use cases where investors have historically sought rematerialisation include legal disputes over ownership, estate settlements, and certain inheritance scenarios where physical certificate documentation was required for legal purposes in courts or banking institutions.