Wash the brinjals 2-3 times properly to wash out all the salt .Heat the oil, put mustard seeds in it.
Once they start to simmer add bringals, red chilly powder, haldi , ginger garlic paste and stir them till they are fried.
Add a little water and cover the pot.
After about 5 minutes, add potatoes and cover again for 10 minutes.
When they are tender, separate the potatoes in a dish and add cut onions and green chillies in the bringals.
Add 1 table spoon of oil and fry them properly.
Leave the onions and chillies cruncy for better taste.
Now add the potatoes and cover the pot for another 5 minutes.
Sprinkle lemon juice before serving hot with chappaties/naan.