Firstly,clean chicken with vinegar and turmeric.
Then take chicken into a bowl and put ginger garlic paste,salt and chilli powder and mix it well.
Rest the chicken for 20-30 mins.
Then chop the onions vertically or C shaped.
Pour oil into a hot pan and fry onions very well till it turn brown.
Later,add marinated chicken into the fried onions and put lid and let it cook for 7-10mins.
Don't add any water,chicken will loose out it's own water and it will be cooked.
Then add lemon juice for taste and serve with roti or rice.