potatoes cut into medium size cube pieces • pumpkin cut into medium size cube pieces • arbi/ colocasia cut into small cubes • parwal/ pointed gourd cut into two or three cube pieces • ridge gourd cut into medium size cubes • mustard oil • ghee • nigella seeds • green chilli • and 1/2 tsp nigella seeds, 1 green chilli, 1/4 cup milk for making a paste • Salt to taste • sugar