following packages have unmet dependencies: ros-indigo-desktop-full

edit

which broken packages are being considered by the system ? Help me to solve this.

neel

sudo apt-get install ros-indigo-desktop-full 
Reading package lists... Done 
Building dependency tree Reading state information... 
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: ros-indigo-desktop-full : Depends: ros-indigo-simulators but it is not going to be installed 

E: Unable to correct problems, you have held broken packages.