If i go to initialize a drive there is only 2 enable option delete volume and he
i am having 2 drivers in my system window 7 o.s. but after installing of another o.s i.e linux mint 12 i lost my main data driver partition. but dat lost driver is present in disk management, but it not able to perform any operation over that , it is having 2 enable operation i.e delete volume and help and i dont't have to delete that volume .
it sounds like you may have wiped the partitions when you installed Mint.
TestDisk, Data Recovery
TestDisk is powerful free data recovery software! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software, certain types of viruses or human error (such as accidentally deleting a Partition Table). Partition table recovery using TestDisk is really easy.
TestDisk Step By Step to recover lost partitions and repair damaged FAT/NTFS boot sector
Recover deleted files from NTFS partition
NOTE If seeked lost file are still missing, give PhotoRec a try. PhotoRec is a signature based file recovery utility and may be able to recover your data where other methods failed.
PhotoRec is file data recovery software designed to recover lost files including video, documents and archives from hard disks, CD-ROMs, and lost pictures (thus the Photo Recovery name) from digital camera memory. PhotoRec ignores the file system and goes after the underlying data, so it will still work even if your media's file system has been severely damaged or reformatted.