Combine biscuit and butter in mixi jar and grind .
Transfer the mixture into a pie dish and spread one layer evenly.
Spread other layer of ready custard evenly.
Combine the cream and sugar and whip them.
Spread third layer of whiped cream.
Last sprinkle grated chocolate.
Chilled 2-3 hours in refrigerator .
Garnish with almonds and then serve.