Boil chicken with garlic cloves, cinnamon stick, tej patta and peppercorns till it's completely cooked. No pink should remain in the center. Upon cooling, shred it roughly.
Now, make the paratha dough. Break the dough into balls and shape them into the size of small oranges. Mix all the rest of the ingredients in a bowl. Fill each ball with 3 teaspoons of the mixture. Take care that the filling doesn't spill out.
Now, put this stuffed ball on the chakla and roll it like a regular paratha.
Heat a tawa on medium heat. Put a tsp of oil on it and when it sizzles, put the paratha. Cook on each side for about 2 minutes, till the colour changes to a rich, golden brown. Serve with ghee on top or with dahi.