The issue has been resolved. I deleted the sources.list file and added the DVD via "Software Sources" "Add CD/DVD" option.
Although, other CD/DVD worked. Thanks anyways.. The issue has been fixed on both of my computers in same way. -- Cannot install packages from Ubuntu DVD via synaptic. https://bugs.launchpad.net/bugs/224242 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs