Cleaning the prawns in salt removes the bad smell.
Instead of All purpose flour and corn mixture, you can use egg.
This Creates a very good binding. I didn't use it as my mom won't eat eggs.
If you do not like oregano and basil, you can skip it, but I recommend as it gives nice flavor.
You can try adding our own Indian spices like garam masala, tikka masala for more flavor and spiciness. I am also planning to do when I try the same next time.
Instead of Paremesan cheese, you can add regular cheese too or a combination of both.