Step 1: Take a bowl and crumble bitannia chocolate cake and add milk(as much needed) to make a soft dough. Add bournvita.
Step 2: break hide & seek biscuits into small pieces and and to the dough.
Step 3: give this dough a shape.
Step 4: now melt dark chocolate(dairy milk) with the help of warm milk.
Step 5: use it for dipping and dressing into the shaped cake.
Step 6: decorate the cake with dairy milk gems. Be a little creative here. You decorate it with your choice.