A divorce given by Muslim husband to wife on stamp paper is not valid divorce. After criminalization of tTalq-ul-Biddat (triple Talaq) under Muslim Women (Protection Of Rights On Marriage) 2019. Only Talaq-Ahsan is legal. It is given by husband and certified by Kazi. After that a talaqnamha is issued by Kazi or Waqf Board. He need to give you a proper talaq. The talaq given by him is not valid. His name cannot be deleted from passport of the basis of such talaq. You need to give him talaq under Muslim Women’s Divorce Act and after that approach the RPO.