the card is InfiniBand: PathScale, Inc InfiniPath HT-400 (rev 03).ipath_control -i says :
ipath_control -i
$Id: PathScale Release1.3.1 $ $Date: 2006-07-19-17:32 $
00: Version: Driver 2.0, InfiniPath_HT-465, InfiniPath1 3.3, PCI 3, SW Compat 2
00: Status: 0x221 Initted Present Fatal_Hardware_Error
00: LID=0x0 MLID=0x0 GUID=00:11:75:00:00:68:f8:53 Serial: 1336310083
and dmesg says :
ipath_core 0000:06:00.0: Hardware error: hwerr=0x4000000 (cleared)
ipath_core 0000:06:00.0: infinipath0: Fatal Error (freeze mode), no longer usable
ipath_core 0000:06:00.0: infinipath0: [HT1 (B) lane 1 CRC (4000000); ignore till reload] hardware error.

Also no led on the card is glowing.os is cent os.kindly help..

Are you sitting down? Fatal_Hardware_Error usually means just that.

Try in another pci slot, but it looks grim.