I want my wife back along with my child

Me and my wife are married in Arya Samaj on may 19 2019 without telling our parents.Recently my wifes mother passed away in december she does not have parents.Due to lockdown she went to her hometown in march and i came to know that she is pregnant in july ending with 5 months of pregnancy.Later without telling me she got second marriage to one of their relatives on aug 8 with 5 and half months pregnancy. After knowing that she is pregnant her second husband left her straight way after the three days of her marriage. Recently she is delivered with a girl and their relatives are not willing to send my wife and child with me. My wife is also not interested to come with i visited their place three times i begged my wife and their relatives to send her with me but they are not sending. Can you suggest me what to do? I dont want divorce i want my wife and my child.One more thing right now my child is not with my wife some says my babby is given to someone who is on need of child. Their relatives say she is died on the same day of delivery.I dont know anything exactly regarding my child till today i didnt get any opportunity to talk with my wife from sep 25 onwards. She was completely under their control they are accusing me with Domestic violence and blackmailing. ANY SUGGESTIONS I DONT WANT DIVORCE SINCE I LOVE MY WIFE VERY MUCH.