Mesh is transferent (backside face)

Is there any option that can help me to fix this. inside Engine Itself
Here is the Actual Render From Substance Painter
link text
I have Alternate Solution for it to add patch inside. that will the last choice.

is your material two sided?

No I mean I dont know about two sided material
and how to create it …
I have checked two side geometry turend on.

Done Thanks Man…
That Worked…

You can set any material to be two sided in the material node, just tick ‘Two Sided’

Done Very Thanks you too