If it is possible to find somebody you can trust to take care of your wife I would recommend you apply personally, with all relevant documents. You should be in and out within an hour. If that's not possible you will need the assistance of an agent. Best of luck to you and to your wife.
40 million was a nightmare with overcrowding at all major tourist destinations, facilities airports and immigration offices. 80 million, if it were to actually happen, would obviously be twice as bad.