Need my certificates passport and things back from my husband family

HinnI am from a good family and wel educated but my bad friendship made me to indulge in extramarital affair before marriage.I informed everything about this to my husband after 10 days of our marriage. Later he accepted to live with me forgetting about pastAfter 45 to 50 days time my husband made me to leave my job and studies, abort and left me at my home and applied for divorce null and void. He also took my mobile phone certificates passport and things in his house.Now he is having my mobile phone which has call recording whatsapp chat video calls etc as evidencenI accepted to give divorce and asked him to return my certificates, passport and things but he is not returning back. I have approached women welfare at collectorate but still i could not get my things and certificate. My husband is a canadian citizen he is in canada now. He has applied for the case and not attending that also. nNow i need my certificates passport and things from him. Please anyone help me