Wife refusing to come

Hi sir i am muslim married last year in 3 months my wife got pregnant in her 3rd month of her pregnancy she left for parents house in end 5th month of her pregnancy she when i asked her to come she insisted to stay back but after little argument she returned. during her stay she kept insisting to go back to her house. and but denied as our gynecologist suggested not to travel but with in 25 day of her return she had quarreled with me during which in haste of moment i said u can go if u dont want to stay but i later i told her not to go but she call her parents and left my home saying that she is travelling by train and left home in ending 6th month of pregnancy during which i was at office but when i came to know that they were traveling by by bus i called my Father inlaw to come back as they didnt board bus yet for which they refused went to their home after which i didnt speak to her for brief time but eventually i started talking with her but every time we speak she raise some or other issue i end up quarrel so i stopped talking to her as the time passed she gave birth to a son on feb end .i went to hospital did my formalities during operation and left the same day telling her windup the things as soon as possible but she refused i told her to think up and returned now its almost 3.5 months after her delivery she is not coming back so i sent her a lawyer notice for RCR now its 30 day and they didnt respond even after completion of notice period i am not talking to my inlaws as they used filthy language to abuse me and spreading bad about me with all relatives that i didnt treat her daughter well and we didnt give her proper food and abused her harassed her 1)now what are my legal options as i am muslim? 2) if she returns i want to make sure she stays away form her parents for 2 years minimum how i can do this ? 3)what are case i can file agnist my inlaws so that they the dont spread bad about me , nither beat me or harm me or my property in any way ?? plz help sir did not take single paise dowry