Is there is any implementation which I can use to check QUIC conn state like what I see for TCP netstat shows ESTABLISHED , TIME_WAIT and FIN_WAIT states

[NithishK2002]

Before opening an issue, please familiarise yourself with the QUIC WG Contribution Guidlines and Late-Stage Process.

All documents in this repository follow this process. Before filing a new issue against any of them, please consider a few things:

• Issues should be just that; issues with our deliverables, not proposals, questions or support requests.
• Please review the issues list to make sure that you aren't filing a duplicate. Design issues that revisit a topic where there's already declared consensus (see https://github.com/quicwg/base-drafts/issues?q=is%3Aclosed+label%3Ahas-consensus) need to provide compelling reasons to warrant reopening the discussion.
• If you're not sure how to phrase your issue, please ask on the mailing list.

[martinthomson]

Yes, but this is not the right place to ask this question. The text you cite provides pointers to other, more appropriate venues.