Kindly make sure you read the account opening documents as prescribed by SEBI. Secure your account from unauthorized transactions by updating your mobile numbers/email IDs. Receive information directly from the Exchange on your mobile/email at the end of the day. Issued in the interest of the investors. Write to email@example.com for support related queries / complaints or firstname.lastname@example.org for account opening queries / complaints. You can send feedback to email@example.com. A client can also opt to write to NSE here or MCX here or BSE here.