Upload your project/files in GitHub using following commands;
Tell the GitHub who are you;
$ git config --global user.email"saurabhchavan052@gmail.com"
$ git config --global user.name"100rabhcsmc"
Lets git ..
$ git init
$ git add -A#adding file
$git commit -m "your commit"
$git remote add origin reponame
$git push origin master
if you got any error using this command then you can use following command
$ git push --force origin master
thanku....
:)