The redirect URI in the request, http://aud.ac.in/staffzone/noticeboard/latest, does not match the ones authorized for the OAuth client. To update the authorized redirect URIs, visit: https://console.developers.google.com/apis/credentials/oauthclient/318388122703-vhcs8guri5uefce8uckgboclntifapmj.apps.googleusercontent.com?project=318388122703