First, wash and soak Kollu overnight

Add soaked Kollu, water, tomato, onion, green chilli and castor oil; pressure cook for 8 whistles

Check of Kollu is cooked well

Keep the water aside and mash the cooked Kollu Paruppu

Crush coriander seeds and cumin seeds

Add oil and heat

Furthermore add crushed mixture, curry leaves; roast

Add garlic, red chilli and small onion; saute well

Furthermore, add turmeric powder; mix well

Transfer to the Kollu Paruppu

Add salt, water; mash well and serve with a dollop of ghee