To make the ICECREAM CAKE, first make the cake.

Basic Sponge Cake

Ingredients
4 large eggs
90 gms Flour
1 cup powdered sugar
1 tsp baking powder
1/2 Tbsp vanilla Essence
1 1/2 Tbsp hot boiling water

Method
1) Sift the Flour with the baking powder. Separate the egg whites. Beat the whites till stiff.
2) Add sugar gradually (a little at a time). Add yolks. Mix well. Add essence.
3) Add boiling water & beat in one direction only.
4) Fold in the flour & bake for 30-35 mins at 180^O C

Make the basic sponge cake. If you are making it in a pan, use the same pan for making the ice cream cake.
Cut the cake into half.
Soften the strawberry ice cream. Keep the cake layer in the pan . Put a layer of strawberry ice cream. You may sprinkle some strawberry syrup on it.
Top with the other layer of cake . Keep to freeze for 20 mins or so.
Soften the chocolate ice cream. Put a layer of the chocolate ice cream. sprinkle with chocolate syrup. Top with chopped nuts or choc chips.
Freeze for 4-5 hours or overnight.
Before cutting the cake keep to soften in the rerigerator for 15-20 mins. Dip the knife in hot water. & then cut the cake.