"Prevent unauthorised transactions in your account --> Update your mobile numbers/email IDs with your stock brokers. Receive information of your transactions directly from Exchange on your mobile/email at the end of the day. Issued in the interest of investors"
As a business we don't give stock tips, and have not authorized anyone to trade on behalf of others. If you find anyone claiming to be part of Zerodha and offering such services, please send us an email to firstname.lastname@example.org