1. If not using kasundi, them grind 1 tbsp. mustard seeds along with 1-2 green chilies and a pinch of turmeric powder.
2. Instead of mustard paste, you can add 1 tsp. ghee to the end product.
3. Bori (dried lentil dumplings) can also be substituted for prawns in the non-veg. version.
4. Apart from the veggies I have used, you can also add raw papayas, drumstick, carrots, beans and /or parwal (pointed gourd).