Soak Urad dal for 6 hour or over night and Blend it into a course paste.

Take a Frying pan add oil to it let it heat.

Take a bowl add blended urad dal,add onion,cumin seeds,pepper,coriander leaves,hing,salt as per taste mix all these ingredients well.

Make a do-nut and deep fry in the oil it turns to golden brown colour and take them on the tissue paper.

FOR GROUNDNUT DIP - Take a pan, fry the groundnuts until they turn brown. Keep aside and make it cool.

Take a mixer, add those groundnuts, little tamarind, curry leaves, red chilli flakes, salt and some chana dal for taste.

Grind it properly and take it in a bowl. Take a pan, 1tsp oil, cumin seeds, dry red chilli, curry leaves and fry it. Add this tadka to the dip. Mix well and serve with vada.