In CDSL, the 16-digit BO ID is numeric and directly used. In NSDL, the BO ID is alphanumeric and starts with ‘IN’, followed by 14 digits.

Yes, as per SEBI regulations, PAN is mandatory and is linked to your BO ID for KYC compliance and tracking of investments.

Yes. You need to provide your BO ID if you are receiving shares in your Demat account (e.g., from another individual or during off-market transfers).