Yes, you can login to your account and visit the GTC order to modify or cancel your GTC orders any time when the order is reflecting under Active / Placed (not rejected or cancelled by Exchange) status.
What is a Buyback/Takeover/Delisting?
My order is getting rejected with the following error – ‘Order price is outside the trade execution range. Try placing the order again
My order is getting rejected with the following error – ‘The order was rejected to avoid self trade. Try placing the order again’.
Why was the stop loss executed even though the price did not breach the trigger?