Neverland themed eggless Chocolate cake

Name: Neverland themed eggless Chocolate cake
Ingredients: 4 cups maida or cake flour; 1/2 cup ground roasted flax seeds; 2 cups water; 2 cups Chocolate chopped; 3.5 cups Brown icing sugar; 1/2 cup Condensed milk; 1/2 cup Hung curd; 1 cup Buttermilk; 3/4 cup odourless oil; 2 teaspoon Vanilla essence; 2 teaspoon Baking soda; 1 teaspoon baking powder; 1 teaspoon salt; 400 ml whipped cream; 1 teaspoon vanilla essence; as needed Edible food colour in gel based: blue,green; 1/2 cup Powered Marie biscuits; as needed Plastic models for decoration; 2 cups chopped chocolate; 200 ml milk cream