Soak mustard seeds and Dry Red chillies in 1/2 cup water for 10 mins. Add garlic ,make a fine paste. Keep aside for 10 mins.
Peel Arum and cut each into half. Heat 1 tsp Oil in a kadai , add slices arum and fry it for a minute.
Add 1.5 cup water to the mustard paste and add this to Kadai. Let it come to a boil.
Add eggplant slices, salt and cook on medium flame till it’s done.
In a pan , heat 2 tbsp oil and fry fish slices. Take it out and keep aside . Add pancha photan to the same oil , let it sputter. Add crushed garlic and green chilli to it.Add fried Badis and mix.
Add cooked vegetables and cook for a minute. Adjust salt and water as per your need.
Add fried fish slices and cook on low flame for 2 minutes.
Serve with steamed rice.