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I have file called packages.list which has the name of the packages like:

a11y-profile-manager        install
a11y-profile-manager-indicator  install
account-plugin-facebook     install
account-plugin-flickr       install
account-plugin-google       install
accountsservice             install
acl                         install
acpi-support                install
acpid                       install
activity-log-manager        install
adduser                     install
adium-theme-ubuntu          install
adwaita-icon-theme          install
adwaita-icon-theme-full     install
aisleriot                   install
alsa-base                   install
alsa-utils                  install
anacron                     install
apg                         install
..
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I want to know is there any way to install the packages listed in the file using apt and also I want to ignore any packages that are already installed.

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    That looks like it is in the format provided by the dpkg --get-selections command - and so should be readable by dpkg --set-selections. However there are some caveats about package availability - see the dpkg manual page – steeldriver Apr 14 '18 at 13:22
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    Thanks! That seems to work. I will add this as an answer. – pro neon Apr 14 '18 at 13:33
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I think this command is useful for your requirement. 

dpkg --get-selections | grep -v deinstall
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As directed by @steeldriver the packages.list file is provided by the dpkg --get-selections and hence they are readable by dpkg --set-selections . So the solution: 

sudo dpkg --set-selections < ~/Packages.list
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