Heat oil in the pan and add Onion ,Curry leaves and salt .Saute for few minutes and add ginger garlic paste .Saute till onions turn brown. Add the masalas and saute it again for few minutes. Add tomatoes and mix well .Heat it for 5 minutes ,stirring in between. The gravy should be sauteed very well, until it is almost black in color. Add 1 cup of water and simmer for 5 more minutes. Just before switching off add boiled eggs into it and stir well. Garnish with coriander leaves and serve.