file for Divorce only after you establish facts of her cruelty and desertion, you can cite false 498a as cruelty againts you.
find judgment here http://mynation.net/docs/sitemap/
you can combine if all cases somehow related to each other.
go through IPC [ http://mynation.net/laws/bare-acts/ipc/ipc.htm ]
and CrPc [ http://mynation.net/laws/bare-acts/crpc/crpc.htm ]
and you will find under which section you can charge her, as a Government emplyee she may lose her job or set back in her job, if you file criminal case and win.