You need Two egg, two Potato (each egg sized), Onion, green Chili, Salt, Tomato sauce
First boil the potato (about 30 minutes) . Then cut the potato into small pieces.(not too small). Take oil in a fry pan keeping the burner in medium flame then Add Onion slices, green Chili. after one minute add the egg and stir the mixture continuously. after 2 minutes add potato pieces. Then add half tea spoon salt( or according to your test ). Then add 3 or 4 tea spoon tomato sauce and Cook 5 minutes with stirring.