Peel the bottle gourd and wash it properly. Cut into cubes. Best oil in Kadai. You can use mustard oil or Refined oil. It is up to you. Here I am using mustard. Oil. Once the oil is hot. Add cumin seeds, dry red chilli. Let it crackle. Then add bottle guard. Fry till it becomes tender. Once it is done. Add all the masala powder. Saute it for few minutes. Then mustard and poppy seeds paste.Fry till the ma's ala coated well. Or the oil separates from the surface.