Problem in mirroring while face modeling

I am new to Blender. but i have a decade of animation production experience using maya and max.
Now i am modeling a head, I had deleted one half of the face model. When i am mirroring it again using mirror modifier, it is not aligning properly. Pl. check the screen shot.
Please help me solving this problem in blender.


Press ctrl A to apply the rotation in object mode to fix this.

OMG, Thank you so much, JDep.
You solved my problem, instantly. I got stuck, wasting my time.
Again thanks a lot for replying to my problem immediately.