The redirect URI in the request, http://learn.navkardigitalinstitute.com/auth/google_oauth2/callback, 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/173958307650-eiqhdq39cf9bj2hbg6k1j1f6b31vmgt0.apps.googleusercontent.com?project=173958307650