Thank you all who have replied on the topic but I think the issue has been resolved by the admin/moderator thats why you all have been received email whether on inboox or on spam folder. IU guess it as all of you have created the account after me. So the issue has been solved latter of mine.
Note: After my activation I have checked the list of forum members and saw many people could not activated the accounts, which username I saw on the BCT.
Note: After my activation I have checked the list of forum members and saw many people could not activated the accounts, which username I saw on the BCT.