Could not able to add Git Repo as Package

I could not able to add private Git repo as a package to my Julia. I’m able to clone the Git Repo through GitBash though.
Getting the following error.

If this repository exists, it is not public. Perhaps you meant another package?

Are you trying to add a private repository? You may need to use the SSH URL

I have tried to do that but it is asking for my ssh keys path which is by default C:\ and after 3 attempts it just exits. My another work mates are able to add through https