Sieve flour,coco powder, baking powder and baking soda 3 times.
Now transfer this sieved mixture into a bowl and add sugar to it and mix well.
Once mixed well slowly slowly add coke to it to avoid lumps and form a blended paste.
Then transfer this blended paste into a greased and dusted mould and keep it into the preheated oven for 15 minutes.
When baked,let it cool for a while and then serve.