My father(us citizen)petitioned for my mother march09,case approved june09,since then nothing,can he file (k3) for her.
From what I recall, K-3 can be approved at the consulate only until they do not receive official notification of the approval from USCIS. I think it may be too late for your mother. She will probably need to wait for her green card now. That is likely to be quicker than a K-3 at this point, anyway.