Wash and soak the channa overnight. Pressure cook to soft.
Peel, chop the potatoes into cubes. Deep the aloo and keep it aside.
Heat a kadai with cooking oil, add onion paste, saute till done, and then add ginger garlic paste.
Add tomato puree and let the mix cook some more time .
Once oil comes out from the mixture, add salt, turmeric powder, chili powder, coriander powder, and cook the mixture 1 more minute.
Add fried potato and channa to the pan. Cook it some more time.
Add water and bring to boil. Once the gravy becomes thick, add cumin powder.
Serve it with Rice Pooris.