You can drop a mail to firstname.lastname@example.org, and the payout will be cancelled as per the request, you will receive a unique ticket number to your Email address, which you can use to track the progress and responses online.
How do I add money instantly to my trading account using UPI?
Can I transfer the funds from the unregistered/unmapped bank account?
Does a name mismatch between the Fyers account and the linked bank account create issues for fund transfer/ withdrawals?
How do I modify the payout request?
Can I link my current bank account to trading account?
Can I link a joint bank account to trading account?