First grind biscuits and dry fruits seperately and keep aside..

Now add butter,sugar,vanilla essence and mix..

Now mix crushed powders of both,cocoa powder,baking powder and milk little by little batter should be thick

Lastly add baking soda and mix it..

Take a pressure cooker open rubber and whistle.flat salt in it and preheat now put the stand and grease aluminium plate it with oil and pour the batter..

Cover the lid..and cook for 30-35min in medium flame and cake putting knife in it if it's sticking cook for some minute more..

Takeout and keep to cool and take out the cake..Ready spongy cake..Enjoy it..