I tried using the issue api.

var github = new Github();
var options = {
title: "Found a bug",
body: "I'm having a problem with this.",
assignee: "samprity",
milestone: 1,
labels: [
"Label1",
"Label2"
]
};
var issues = github.getIssues("samprity", "JSLint1");
issues.create(options, function(err, issue) {});

But I am getting this error :