Take a small chapati dough and roll into a thin chapati(4inch wide). Sprinkle with kalonji seeds and coriander leaves while rollingout the chapati,poke with a fork and sprinkle chilli powder
Place on a grill tray and bake at 180c for 10 mnts.Now for the filling mix all the given ingredients in a bowl and keep chilled.
When the tacos are ready,bring the room temperature & stuff with the filling.Finally garnish with some sev.Serve warm with ketchup.