Ingredients:

bottle gourd 1/4 th piece
gram dal flour(besan/senagapindi) 1tbsp
mustard seeds 1tsp
cumin seeds 1tsp
urad dal 1tsp
green chilli paste 1tbsp
turmeric powder 1 generous pinch
curry leaves 10
oil 1tbsp
salt to taste

Method of preparation:

wash, peel and cut the bottle gourd into small cubes.
Mix yogurt with besan, green chilli paste, turmeric powder, salt and whisk well.
Heat oil in pan, add urad dal, cumin seeds, mustard seeds, curry leaves and when they change color add the yogurt mixture.
Bring to boil and add the bottle gourd pieces and cook until done.