Dry roast Urad dal and Channa dal till the dal turns golden brown. Transfer them to a plate and let it cool down
Add sesame seed to the pan and dry roast till it starts pops. Add it to the dal mixture
Add a drop of oil and sauté red Chilli till it roasted well. Let it cool down separately
After the dal is cool, grind into fine powder in the big mixie jar
In a small mixie add the red Chilli and grind it into fine powder
Combine the dal and red Chilli in the big mix and grind it once
Add salt, hing and jaggery and grind once/twice
Store it an airtight container