Take a pan,put some oil and heat it on stove. Put dry Bombay Duck into it and fry in a low medium flame for five minutes.Now put chopped onions, green chillies and salt as required and fry untill onions become brown. Put ginger garlic paste, termeric powder, red chilli powder,cumin powder and coriender powder into it with 1/2 cup water and stir fry untill oil become separated from the spice.