Attention Investors : Prevent unauthorized transactions in your demat/trading account --> Update your mobile numbers/email IDs with your Depository Participant / stock brokers. Receive alerts for all debit and other important transactions directly from Exchange/CDSL/NSDL on your registered mobile no. /email Id at the end of the day. KYC is one time exercise while dealing in securities markets - once KYC is done through a SEBI registered intermediary (broker, DP, Mutual Fund etc.), you need not undergo the same process again when you approach another intermediary.……………. Issued in the interest of Investors.