Family hi,If you only used for Khula and didn’t get court decree(decision), In such a case it is possible to withdraw your scenario with the court.and when you got decree of khula and now you would like to rejoin yet again the it's possible you'll with simply just new nikkah https://dantevatwt.theideasblog.com/30138026/about-qanun-e-shahadat-in-dha-karachi-pakistan