Prawn and Bottle Gourd Gravy

Prawn and Bottle Gourd Gravy Ingredients : 150 gms prawn 1 cup bottle gourd paste 1/2 cup chopped onion 1/2 tsp turmeric powder 1/2 tsp red chili powder 1/2 tsp black pepper powder 1 tsp mustard seeds 1/4 tsp fenugreek seeds 1/2 tsp cumin seeds 1/4 tsp fennel seeds 1 tbsp ginger..