500gm Karela, 3 tsp mustard seeds, 2 tsp jeera, 1 tsp ajwain, 2 tsp methi dana, 1/4 tsp hing, 1 tsp turmeric, sat as required, 2 tsp fennel, 1 tsp red chili powder, 1/2 tsp garam masala, 1 tbsp amchur, 1/4 tsp lemon, 4 tsp mustard oil, sendha namak as per taste.