Soak urad dal for 3-4 hours in some water
Soak fennel seeds in some water for 15 minutes
Dry roast the cumin seeds and dry red chilli until aromatic. Cool completely and grind into a fine powder
Wash the soaked dal thoroughly. Grind it with green chilli and fennel seeds
Heat oil in a frypan and add hing
Add the urad dal paste and salt. Mix well
Saute on medium flame until all the moisture absorbs and it comes together like a mass (about 10-12 minutes)
Add the cumin-dry red chilli powder and mix well
Let the mixture cool completely