Om Maha Ganapathaye nama :
I tried many doll tutorials given in the net but didn't turn out satisfactorily. So tried my favourite Ganeshji. A god who is very simple and his form is so easy to draw or mould.
To make cold porcelain clay at home check this beautiful website. I followed stove stop method.
The idea for the idol I got from this wonderful link
The umbrella making tutorial you can check out here