Apologies for inconvenience caused.
Kindly share us the client code with API request, header passed to analyze the issue from our end. If the issue is consistent, please write to us on smartapi@angelbroking.com
@tsingh , I regret to inform you that we do not have an endpoint specifically designed for this purpose.
However, you can use our "getorderbook" endpoint to retrieve the complete order book, and then search through the returned data to find the order with the specified ID.