sudo apt-get install -o Debug::pkgProblemResolver=yes kio-extras
[sudo] password for dileep:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Starting pkgProblemResolver with broken count: 1
Starting 2 pkgProblemResolver with broken count: 1
Investigating (0) kio-extras [ amd64 ] < none -> 4:5.0.0-0ubuntu1~ubuntu14.10~ppa1 > ( utils )
Broken kio-extras:amd64 Depends on kio-extras-data [ amd64 ] < none -> 4:5.0.0-0ubuntu1~ubuntu14.10~ppa1 > ( libs ) (= 4:5.0.0-0ubuntu1~ubuntu14.10~ppa1)
  Considering kio-extras-data:amd64 0 as a solution to kio-extras:amd64 9998
  Re-Instated kio-extras-data:amd64
Broken kio-extras:amd64 Depends on libexiv2-12 [ amd64 ] < none | 0.23-1ubuntu2 > ( libs )
  Considering libexiv2-12:amd64 1 as a solution to kio-extras:amd64 9998
Broken kio-extras:amd64 Depends on libkf5dnssd5 [ amd64 ] < none -> 5.0.0-0ubuntu1 > ( universe/libs ) (>= 4.96.0)
  Considering libkf5dnssd5:amd64 0 as a solution to kio-extras:amd64 9998
  Re-Instated libkf5dnssd-data:amd64
  Re-Instated libkf5dnssd5:amd64
Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 kio-extras : Depends: libexiv2-12 but it is not installable
E: Unable to correct problems, you have held broken packages.