Dry roast peanuts in a kadai or microwave , till the skin peels off or brown spots appear on them. Keep them aside .
Add 1-2 tsp oil into the kadai . Later add onion , garlic , few curry leaves , tamarind and red chilli . Saute till raw smell from Onion and garlic goes .
Transfer the sauted ingredients into a plate . Allow them to cool .
Add salt and water as required and grind to a chutney consistency .
Prepare a tempering . Splutter mustard seeds , urad dal , curry leaves and hing . Pour it over the chutney and its ready to serve .