Here is a new feature from Google Team is Now Use Multiple Accounts from One Browser easily so from now onwards we can use multiple Google Accounts like Gmail and Custom Mail Ids derived from Google in one browser. In other words you can now use multiple accounts in one browser Gmail.
Now the question arise in your mind is How to Enable multiple Sign-in option in Gmail? and here is the solution .
To activate the multiple sign-in option in Gmail, login to your Gmail account and Click on Settings, In that Click on Accounts and Imports below there Click on Google Account Settings.
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In Google Account Settings below Personal Settings there is a option named Multiple sign- in Click on Edit
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Select each and every option which is not highlighted in redmark above and click on SAVE. Thats it





