As per CDSL mandate, the name, mobile number, email ID, address, PAN and income proof of all account holders must be up to date. Zerodha will send an email if a valid mobile number and email ID are missing for the second and third holders of the demat account. Create a ticket with the required details.
Download the CMR copy to check the second and third holders in the demat account. See, What is a CMR copy and where can I get it?
Did you know? All communication regarding the demat account will be sent to the primary account holder only.