How to Recover logical drive.(free sapce)..???

I have accidently deleted my drive while installing fedora...how can i recover my whole drive as it is..?is their any software for recover the whole logical drive..?*farm5.static.flickr.com/4038/4337041316_eec35e7548_b.jpg


the last free space (32.33 gb) is deleted... how can i revcover the data from it...any software that can recover the whole free drive..or i format it once and then try recover the data..please tell me soon..