Appreciate the report, Vipin. We've seen similar reports from other users too and are looking into it. In the meantime, try re-uploading the thumbnails to see if it helps. Thanks for your patience.
@TeamYouTube hii youtube why my youtube channel thumbnail is not showing on my video i.e vipin gujela
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.