Can anyone please shed a light on this mod http://www.nexusmods.com/skyrim/mods/59569/? is this real deal ??

As far as I know unpacking them in game is not the problem. I develop using loose files and still get the lip sync problem. It's a hard-coded bug with the engine itself, or one of it's respective libraries. It's very possible that Bethesda is the only one capable of fixing it.

By the way, he says it loads LIP files from the meshes folder, and AFAIK, lip files are not in meshes.

All that "mod" is are loose files unpacked directly from the vanilla mesh files. They will do absolutely nothing for the lip sync issue.

Rather, I expect it would cause no end of problems for people using body mods, head mods, facegen altering mods, and such.

OH. I somehow totally missed that. Yeah, lip files are not meshes, nor are they stored in the meshes BSA. This "fix" achieves absolutely nothing.

I was just about to post this here.... You guys are fast

So no 'fix' then.