If you want to remove the Jinn. First, you need to offer the Namaz. And practice the pak way. Stay clean at all times. It is advised that that person should remain in the state of the wudu. These are some little things that one should stay mindful of. Perhaps, one can and should remove the Jinn from one’s own body. The procedure is already mentioned. But, what That person should do is to recite the name of Allah. Furthermore, when one stays inclined to the almighty. Then no entity like Jinn can affect him. As a result, one stands safe at all times. Procedure: The procedure is the same as the above. So this self exorcism will undoubtedly help the person who is possessed. Furthermore, no matter what you feel. Keep sticking to it. After the while, you will start seeing the changes. So, let him be your god. And put your situation in his hands. Inshallah, one way or the other, you will come out of it. Ameen.