Add biscuits into a grinding jar and grind/crush them into a fine powder.
Take a mixing bowl, add the crushed biscuits.
Add baking powder and sugar into it.
Mix all the ingredients well.
Add milk gradually and keep mixing the batter.
It takes about 1 full cup of milk to get a batter of good consistency.
Mix the batter well without lumps.
Pour the batter into the cake pan.
Tap the cake pan twice or thrice.
Remove the cooker lid and place the cake pan on the stand.
Close the cooker lid, remove the whistle and bake on low flame for 35-40 minutes.
Check the cake and if the batter sticks to the toothpick, bake until the cake is done.
If the tooth pick comes out clean switch off the flame and take the pan out.
Allow the cake to cool down.
Loosen the sides of the cake.
Invert the pan and de mould the cake carefully.
Apply chocolate spread or melted chocolate or chocolate syrup and enjoy!!!