Logstash-input-http-poller-3.1.0 - how to install in offline mode

Seems that internet connectivity is required even for offline install.
How to install logstash http poller in offline mode?, please help me on the steps to perform to install http poller in offline mode..

Why do you say that?

Are you having problems? Have you read https://www.elastic.co/guide/en/logstash/current/offline-plugins.html?