Google map plugin add error

When i tried to add google map plugin the following error occurred. Does anyone else seen this issue.?? And how to fix it ???

my command :-ionic cordova plugin add https://github.com/mapsplugin/cordova-plugin-googlemaps#multiple_maps --variable API_KEY_FOR_ANDROID="my android key" --variable API_KEY_FOR_IOS="my ios key"

Running command - failed!
[ERROR] An error occurred while running cordova plugin add

        https://github.com/mapsplugin/cordova-plugin-googlemaps#multi... (exit code 1):


        You have been opted out of telemetry. To change this, run: cordova telemetry on.
        Error: Failed to fetch plugin https://github.com/mapsplugin/cordova-plugin-googlemaps#multiple_maps via
        registry.
        Probably this is either a connection problem, or plugin spec is incorrect.
        Check your connection and plugin name/version/URL.
        Error: cmd: Command failed with exit code 1 Error output:
        npm ERR! git clone --template=C:\Users\Emil Jenson\AppData\Roaming\npm-cache\_git-remotes\_templates --mirror
        https://github.com/mapsplugin/cordova-plugin-googlemaps.git C:\Users\Emil
        Jenson\AppData\Roaming\npm-cache\_git-remotes\git-https-github-com-mapsplugin-cordova-plugin-googlemaps-git-multiple-maps-19e06bb0:
        undefined
        npm ERR! git clone --template=C:\Users\Emil Jenson\AppData\Roaming\npm-cache\_git-remotes\_templates --mirror
        https://github.com/mapsplugin/cordova-plugin-googlemaps.git C:\Users\Emil
        Jenson\AppData\Roaming\npm-cache\_git-remotes\git-https-github-com-mapsplugin-cordova-plugin-googlemaps-git-multiple-maps-19e06bb0:
        undefined
        npm ERR! Windows_NT 6.2.9200
        npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program
        Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install"
        "https://github.com/mapsplugin/cordova-plugin-googlemaps#multiple_maps" "--save"
        npm ERR! node v6.11.2
        npm ERR! npm  v3.10.10
        npm ERR! code ENOGIT

        npm ERR! not found: git
        npm ERR!
        npm ERR! Failed using git.
        npm ERR! This is most likely not a problem with npm itself.
        npm ERR! Please check if you have git installed and in your PATH.

        npm ERR! Please include the following file with any support request:
        npm ERR!     C:\ionic\myApp\node_modules\npm-debug.log