Western desserts - Chocolate and orange cheesecake

Chocolate and orange cheesecake---------------------------------2 and 1/2 cups crushed wheat biscuits

100 gm of butter

1 tablespoon of cocoa

400 gm cream cheese

2 cups of cream

2 envelopes of powdered cream

1 tablespoon of raw cocoa

1 tablespoon of gelatin

1 tablespoon of orange zest

1/4 cup orange juice

300 gm dark chocolate