Sieve wheat flour, ragi flour, cocoa powder and baking powder for 4-5 times and keep it aside.
Take instant coffee powder in a bowl.
Add hot water to it and mix.
Take eggs in the bowl and beat for 1 minute.
Then add oil and sugar and beat till it is combined.
Then add coffee mix, vanilla essence and mix.
Finally add the flour mix in batches
Mix everything till it is combined.
Grease the muffin cups or place liners.
Fill the batter to ¾th of the liner and tap nicely to release air.
Preheat the steamer for 5-7 minutes in medium flame. No need to add anything in the bottom.
Place the cup cakes inside and bake in low flame.
Bake for 15-20 minutes till the tooth pick inserted comes out clean.
Cool down and enjoy the coffee chocolate muffins.