Heat the same wok with a tsp of oil. Remove the shell from eggs and add it to the wok. Sprinkle turmeric, salt and chilli powder. Fry for 1-2 minutes and take out. Now again in the same wok add oil and splutter mustard and curry leaves. Add ground onion paste and fry until golden brown. Add all the spice powders, tomatoes pureed and saute until oil oozes out. Then add the ground paste and mix well.