Open cmd and navigate to project location i.e. where you run npm install or ng serve for the project.
and then run the command - ng serve --host 10.202.32.45
where 10.202.32.45
is your IP address.
You will be able to access your page at 10.202.32.45:4200
where 4200 is your port number.
Note: If you serve your app using this command then you won't be able to access localhost:4200