How to rectify no publication after PhD graduation?
Summarising details from the comments, the final verdict would be 


  Start publishing now!


If you did qualify as a PhD in a reputable university, you should have the ability to publish a peer-reviewed paper. And so it seems that there is no excuse out of this way. As stated by @GEdgar, academic affiliation is not a primary requirement for paper publication. The only way to rectify would be to start framing your manuscripts today.