Wash and Soak black chana for 4 hours.
After 4 hours pressure cook chana till 7-8 minutes after first whistle. Switch off the flame and let pressure releases automatical. Check chana by pressing between your fingers if it's done.
Wash, peel and chop onion, green chilli, ginger, garlic and tomato and grind in a mixer to a smooth paste.
Now heat cooking oil in a karahi. Add cumin seeds and when cumin seeds and grinded paste and cook it on slow flame till it leaves the karahi. It may take 8-10 minutes. Now Add salt, red chilli powder, turmeric powder, garam masala, coriander seeds powder and mix well.
Now pour this prepared masala in pressure cooker in which boiled chana is. Adjust the consistency of curry by adding water if needed. Now place the lid and pressure cook till 7-8 whistles and switch off the flame.
Serve hot with chapatti, rice or puri.
