This is a Github issue, so ask Github support.
Or read up on .mailmap files.
On Mon, Oct 24, 2016 at 7:28 AM, Yash Jain <yashjain.lnm@xxxxxxxxx> wrote:
> Hello,
> I have two accounts on github("yj291197" and "yaki29").
> Both the accounts have different gmail IDs("yj291197@xxxxxxxxx" and
> "yashjain.lnm@xxxxxxxxx" respectively) but same passwords.
> I used to use git for "yj291197" account and a few days earlier I made
> this new account and used git commit to commit on "yaki29" but it
> appeared as "yj291197" committed on "yaki29's" repo.
> Then I pulled a request of that commit then it appeared "yaki29"
> pulled a request with a commit of "yj291197".
>
>
>
> And during this whole session I was signed in as "yaki29" on github.com .
>
>
> Please reply ....