Yes, sometimes withdrawals are gets affected if there is a name mismatch between your Fyers account and your linked bank account.
Please Note: The name in your Fyers account is updated as per the PAN.
For more information refer this – What do I do if there is name mismatch in PAN and Bank Account?
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 support-complaints@fyers.in for support related queries / complaints or sales-complaints@fyers.in for account opening queries / complaints. You can send feedback to tech-feedback@fyers.in. A client can also opt to write to NSE here or MCX here or BSE here.