1. Roast mustard seeds and cumin and powder .

2. Cut brinjals lengthwise and slit green chillies .

3. Heat fat ;fry fenugreek seeds and broken red chilli.

4.Add brinjals and fry well .Mix sour curds with half a cup of water ,sugar ,salt and green chillies and add to the brinjal mixture .

5. Cover and cook till brinjals are tender and gravy is thick . Add powdered spices ,mix well and remove from fire .