Taarak Mehta Ka Ooltah Chashmah: How will Dayaben return?

There is no doubt that Dayaben will return on the show Taarak Mehta Ka Ooltah Chashmah but how will she return is not known. Earlier, people were saying that she would return during Navratre but she did not. Now the reports say that she has shot a scene from Mumbai in which she is video calling her husband.