Parwal, Trichosanthes dioica,Potol also known as pointed gourd or Green potato is a vine plant;Similar to cumcumber or squash. It is widely cultivated in the eastern and northern parts of India. It is used as an ingredient for soup, stew, curry, sweet, or eaten fried and as potoler dorma with fish, roe or meat stuffing. Parval is also used to make Kalonji, a deep fried cuisine filled with spices. Nutritional Benefits: It is a good source of carbohydrates, vitamin A, and vitamin C. It also contains major nutrients and trace elements like magnesium and potassium. Good for hair and skin and some researches suggest that it may help with diabetes.