How do I bevel this object if subdivision surface modiefier is already applied? I have made this shape in blender, as you can see I have used subdivision surface modifier.
I want to bevel the right corners of this model.

But when I try to apply this bevel to my model bevel doesn't work.

How do I bevel the right hand side corners and apply subdivision surface at the same time ?

Can anyone tell me what should be my approach ?

Regards
Prachu
Sometimes, it can suit to let the subdivision do the bevel for you.. the resulting curve is not quite the same shape as one you would have made yourself, and can be subtly altered by holding loops a fair way back from the 'bevelled' edge. 

If you don't put the holding loops in, though, the edges between  the bevels are slightly curved, and the large face is not as flat.



The bottom surface is the top topology with three levels of subdivision.