First of all grind biscuits.then mix Coco powder and coffee powder in it mix it well. Add approx 20g of sugar in it

Now add some milk and make a dough like a chapati's dough

Then add coconut powder and sugar in warm milk and make like a dough

Take a foil paper and do it flat chocolate dough like a chapati. Then also flat the coconut dough above the flattened chocolate.

Fold both the layers with the help of foil paper. Then keep it in fridge till 2 hours. Take it out after 2 hours.

Then cut it into small pieces now your chocolate Swiss roll is ready