What to do if in-laws are not giving my documents

mujhe 9th month me mere sasur ne gaali di or sucide k liye force kiya or maarne ko b aaye bt devar ne rok liya tab mere bhai n maa aa kar hospitl se mujhe le gye bt me apne saath meri documnt file laayi or baad me mujhe ptta chla ki mere sasural walo ne documnt chipa diya n khali file mujhe pakda di aab me unko file deney ko boka to bol rahey h nhi h hamare pass phir husbnd se pucha wo bolte h jalaa diya kabhi bolte h humko nhi ptta tum he le gyi or kabhj bolte h file chahiye to aao dubara mumbai or le k jaao , mujhe merw documnt chahiye bt मुझे aab sasural walo par yakeen nhi h jo mujhe itna toture kar k maarne aa sakte h gaaliyaa de sakte h wo b 9th month pregnancy me or sucide k liye force kar rahey they to me wahaan nhi jaana chahti hu aab bt me mere documnt waapas chahti hu kya karu plz suggest me bcz wahaa ja kar wo log kuch b kar sakte h mere ya mere maa or bhai k saath