Take Coconut, cinnamon, clove, fennel seed, and cumin seed and grind it by adding little water
Heat the oil in the pan and temper the mustard and add cuury leaves and chopped onion and saute it for 2 mins until it turn into golden brown
Add ginger garlic paste and stir it until the raw smell goes out
add chopped tomato and mix it
add red chili powder, coriander powder, turmeric powder and salt and mix well
add cubed potato and mix it
add cooked kondakadalai and mix it
add grinned coconut paste and mix well
add required water and allow to cook until the masala get cooked and become gravy consistency
Now Chettinadu kondakadalai kuzhambu is ready. serve with rice