Break rough dried red pepper.
In a fry pan, on medium heat, add dried long red peppers, coriander seeds, black peppercorns, and cumin seeds.
Lightly dry roasted for one minute. (Don't over do it, it will messed up the taste of your karahi.)
Take the dry roasted ingredients.
Now mix in the coriander powder, red chili powder, and salt.
Mix well.
Store it in a air tight container.