Cut brinjal first lengthwise then widthwise.
Marinate with salt and turmeric powder for ten minutes.
Heat oil and fry onion till translucent. Keep fried onion aside.
Heat oil. Put the fire slow.
Add brinjal pieces and cover.
Grind poppy seed, mustard seed, green chilli and garlic to a smooth paste with water.
Grind fried onion separately.
When brinjal will turn soft, add spice paste along with onion paste and salt to taste.
Add hand full of water to mix the paste well with brinjal.
Keep them cook for sometime, then remove from fire.