First of all Pre-heat the Oven at 180 Degree Celsius.
In a big bowl add Self raising Flour or Maida, Sugar, Cocoa Powder, Pinch of Salt, Baking Powder and Stir all the things very well.
Now in this add 100 gms Butter, Unsalted Butter, now mix all the things very gentally and then mix it little bit High Speed, now add 1/2 of Chocolate Chips in it, now our mixture is ready.
Now fill the Cups with Mixture around 75%.
Now Oven is ready so now it is the time to bake it for 20-25 mins at 180 Degree Celsius, Check this after 20 mins.
After 25 mins beautiful Cupcakes are ready.
Take a big Mixing Bowl in this add the Whipping Cream Powder, Cocoa Powder and Milk, mix all the things very well.
Start Blender or Mixture and Whipp it for 4-5 mins or until you get your desire consistency level, now it is ready so stop the blending.
Fill the Piping Bag with Whipp Cream, go to the Bottom so you will don't have any Air Bubble, Wrap it tightly so you can make very good Decoration.
Now Decorate the Cupcake and garnish it with some Chocó Chips.