Heat a nonstick pan with oil, splutter Mustard Seeds, and Cumin Seeds.
Next, add finely chopped onions and fry until it changes colour.
Add Ginger Garlic Paste and cook for 2 minutes.
Add Tomato puree along with salt and Turmeric Powder. Cook on high for 2 minutes.
Then add Red Chili Powder, Coriander Powder and let it simmer for 2 minutes.
Now add boiled Kabuli Chana and cubed potatoes
Let it simmer with the lid covered for 5 minutes.
Add the ground paste and mix well.
You can add the saved water if any or add 1 cup of water.
Sprinkle Garam Masala and bring to a boil.
Add more water as required for consistency.