Firstly, in a large bowl take 1¼ cup sugar, ¾ cup oil, ½ cup buttermilk and 1 tsp vanilla extract.

Whisk and mix well until sugar melts completely...place a sieve and add 2 cup maida, ½ cup cocoa powder, 1 tsp baking powder, ¼ tsp baking soda, ¼ tsp salt and 1 tsp coffee powder...

Sieve the flour making sure there are no lumps...now using cut and fold method, mix the batter...add ¼ cup water or as required and prepare a smooth consistency batter...

To prepare the cake in a pressure cooker add in 2 cup of salt and close the lid of cooker without keeping the gasket and whistle. heat for 5 to 10 minutes. as a result, gives a preheat oven atmosphere...

Now transfer the cake batter to a cake mould..make sure to line a butter paper at the bottom to prevent from sticking...and also tap twice to level up uniformly and remove any air bubbles if present...

Place the cake pan into preheated cooker..cover and cook on a medium flame for 45 minutes..insert a toothpick and check if the cake has baked completely...cool the cake and then unmould the chocolate cake...

For chocolate frosting:-firstly, in a large bowl take 2 cup heavy cream. you can use whipping cream or any cream with 35% milkfat...now add 1 cup icing sugar, ½ cup cocoa powder and 1 tsp vanilla extract...beat on low speed until stiff peaks appear...chocolate frosting is ready. keep it refrigerated until you use...

Once the cake is cooled completely, level up the top...spread the chocolate frosting generously on top and sides,do some topping with dairymilk chocolate or crushed chocolate...