Hi,
--- On Tue, Feb 17, 2009 at 1:15 PM, sameer shinde s9sameer@gmail.com wrote: | I also checked in /etc/fstab but could not found any relevant entry in it. --
With recent distros, you can use udev. For a start: http://www.reactivated.net/writing_udev_rules.html
Check udev.rules file (in /etc/udev/ in Debian, for example), or you can change the permissions in permissions.rules file. Just look for "usb" entries in these files.
SK