Yellow Pumpkin is an imported vegetable and we call it as "manjal Poosanikkai".
In traditional Tamil cuisine, we use Pumpkin which is white in color.
Yellow Pumpkin cut or slice:
We use them for making Fusion dishes. For eg: Cut Yellow Pumpkin's are used to make Italian veggies or vegetable saute.
Below is image of Italian veg saute with Yellow Pumpkin.