In a bowl add washed chana dal and add red chilis.
Soak for at least 2 hours.
Once done drain water.
In a mixer jar, add soaked red chili, onions, curry leaves, salt, jeera, and fennel seeds. Give a quick pulse.
Add chana dal in a mixer jar.
Make it as a coarse paste.
Keep the ground mixer in a bowl, mix well.
Make it as small patties.
Heat oil in a pan, add vada one by one.
Fry it on a medium flame for few minutes or fry till golden brown.
Once done, drain it in a paper towel and serve hot.