Cant run ionic 3 app from command prompt & visual studio cmd

Hi Everyone

I can not run my ionic project from command prompt and VS cmd but i can only run through node js cmd .
Can anyone please help me what i should do for that ?
below is the error message
’ionic’ is not recognized as an internal or external command,
operable program or batch file.

install ionic globally
>npm install -g ionic cordova

I installed it globally too. still can not work :cry: @yashwanth493