Thank you for your reply. I am using Subversion 1.6.5. And I am using Gnome Red Hat Linux 5.8.
Following your instructions, I have moved away this directory ".subversion/auth/svn.simple". Then I tried the svn command, "svn ls my_URL". Again, it asked for the password and I typed in and got the listing result. Re-tried the same command, again it asked for the password.
