How to fix 'cordova' is not recognized in command line - Windows

'Cordova' is not recognized as an internal or external command,
operable program or batch file.

Reasons: 
1.  Cordova is not installed:  To check go to "C:\Users\sourabh\AppData\Roaming\npm\node_modules\" and search for Cordova folder. If not exists then in CMD run 'npm install -g cordova' to install cordova.

2.  PATH isn't Exists: To check got to Environment variable (My Computer OR My PC  > Right Click  > Properties > Advance System Settings > Environemnts Variable button)  
add

%appdata%\npm\ or c:\users\YourUserName\AppData\Roaming\npm\

(replace YourUserName with the name of your user profile)  to System Variable's PATH

Below are the screenshots step by steps.