Unable to pass test case in the problem Print BST Nodes in a given range

Even though the given example works, I am unable to pass the test case. I don’t think there is any mistake in my logic but rather what I am displaying. Please Help.

This is my code: https://ide.codingblocks.com/s/372747

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.