Hi @Mayank_Ruhella, welcome to the discussion boards!
Kibana doesn't have first-class support for anonymous access yet, but we are working on it: https://github.com/elastic/kibana/issues/18331
In the meantime, the best way to bypass authentication in this scenario is to put a reverse-proxy in front of Kibana which can provide credentials via the Authorization header. Here's an example config using nginx: Auto-authenticating to iframe-embedded Kibana dashboard