How to view multiple Gmail in one device

If you are using two Gmail account and you want to view the mail separately then follow the instruction given below.

First open "Gmail"> Then click on the "Menu icon". (Follow the image given below)

After that you can see the menu. Now click on the "downside arrow" on the left corner of the menu.

After that you can see the list of the gmail account you added. Click on the account you want to switch or view. You can also add new gmail account.

 Done. This way you can view your mail accounts separately.