In a food processor, add walnuts and make a coarse powder. Now add the dates, figs, and blend till it all clumps together and forms a dough. Mix all the ingredients of the filing and keep aside. Knead the roll dough with hand and just add the filling mixture to it. Add grated almonds and pistachio to it. Mix it well with you hand. Start rolling the dough and form a log. Cover with butter paper and refrigerate for 6-8 hrs or preferably overnight. Cut into discs and serve. Store in an airtight container in the refrigerator.