Please can someone explain to me why my activity is increasing but I am not ranking I and my points are not increasing desirably.
Rushing to rank up has resulted in negative karma on your profile. It is not possible to earn negative karma if your posts are helpful to the forum. Your post shows a lack of interest in learning, which learning should be your first Priority here. We learn about cryptocurrencies for free in this forum, so I think that should be an encouragement for you to focus on learning.
I know you want to rank up and get a campaign, but do you think they will accept you like this? Not only that, no one will want to trust you.
It's never too late to make improvements to your posting style, your positive contribution is what will make you rank up quickly because the more +karma you receive, the more encouraged you will be.