Hello, @banglatech - I regret to inform you that you are on the so called "blacklist" with 43,000 other accounts. I do not know why you are on that list, but as long as this account is on that list I cannot upvote your post.
Go to https://steembottracker.com/ and get in touch with the owner of the site to see what you can do to get removed from the blacklist.
We would love to upvote your post, but that list prohibits us from doing so.