Legal Action Doubts since 6 months separation....

Dear Lawyers, I work in a private concern and earning 36 K as my monthly take home, I have one property which was built by me availing housing loan and I pay 18 K as loan repay amount monthly, since loan availed using my work papers I am the sole owner of my property. My wife is a government employee and she earns 20 K as her monthly salary, she stays with her family refusing to live with me for the past 5 months as on today. It's been 2 yrs since date of my marriage and she hardly lived with me for only 6 months since she had job transfer issues. We have one little angel who is 1 year old and who lives with her as of now, I tried myself and through my relatives for mutual compromise but they refuse to do so, recently I heard it from my relative that they gonna appear in court and file a suit against me which I am not sure on what exactly that they are trying to do. It's been a long time worry that they always questioned about my house and the right of ownership of my house etc... So I am confused and seeking a clarity on what type of legal complaint that they can file against me! And if they gonna apply for divorce kind of suit is there any chance that I may lose my one and only beloved property that's in my name? also would like to know whether they can claim compensation for herself and kid? We are Hindus if she gonna opt for divorce what would be the procedure and time period for her to do so? Regards Arun