error 17: unable to mount partition

a.txt

kracekumar@python-lover:~$ sudo fdisk -l

Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xf897e57b

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1         192     1536000   27  Unknown
Partition 1 does not end on cylinder boundary.
/dev/sda2             192       10786    85097782    7  HPFS/NTFS
/dev/sda3           10787       37572   215153680+   f  W95 Ext'd (LBA)
/dev/sda4           37572       38914    10778624   17  Hidden HPFS/NTFS
/dev/sda5           18954       22993    32442349   83  Linux
/dev/sda6           27878       37572    77869056    7  HPFS/NTFS
/dev/sda7           10787       15916    41199605   83  Linux
/dev/sda8           18615       18953     2722986   82  Linux swap / Solaris
/dev/sda9   *       15916       18497    20731904   83  Linux
/dev/sda10          18497       18614      945152   82  Linux swap / Solaris
/dev/sda11          22993       27671    37580800   83  Linux
/dev/sda12          27671       27878     1655808   82  Linux swap / Solaris

Partition table entries are not in disk order

Disk /dev/sdb: 2000 MB, 2000682496 bytes
64 heads, 32 sectors/track, 1907 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x74eaf53e

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1         659      674816   17  Hidden HPFS/NTFS

Disk /dev/sdb1: 691 MB, 691011584 bytes
64 heads, 32 sectors/track, 659 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x74eaf53e

     Device Boot      Start         End      Blocks   Id  System
/dev/sdb1p1   *           1         659      674816   17  Hidden HPFS/NTFS