There is a lots of methods that helps you to install two similar apk in android. But that methods are quite leanthy and required rooted device. But if you wouldn't want to root your lovelable smartphone then we have a another tricks . This trick works successfully.
Follow The Steps Carefully:-
First of all you need to install Parallel Space Android app- From Playstore
Now move that app which you would like to use in parallel space.Just swipe app into parallel Space.
Now you will be able to use a new whatsapp account in parallel space app.
Just open Parallel space and select whatsapp , make new account and start using it.
# Done !...