Apple Developer forum - Not able to log in into Developer forum [duplicate]
Solution 1:
Assuming you're a registered Developer, I would call the Apple Developer Program Support number for your country, rather than submitting a bug.
You can find your local number here.
Solution 2:
So finally after one year of effort one of the kind apple engineer replied to my ticket and the issue resolved and closed now. Please find below response from apple just in case any one is looking for it -
Please note that there is an issue with non-standard email domains. We kindly ask you to create a new Apple ID with .com domain, and try to access the Forums with that. You don’t need to have an active paid membership to access the Forums.