Mental harssment

Hello Sir/Madam, I am married since Feb 2013 and have two baby girls.My in law and husband harass me every day for every single thing in the house, thereby making my life miserable. Actually my in law has major influence on my husband n he agrees to whatever wrong she says. Whenever he returns from office she creates one or the other scene and lies to him for petty issues. She tells lies to him and ignites fight/ arguments between both of us and clearly tells my husband, right infront of me if wife dead means you can get another wife but mother is one no one replace my position similar words every day.my husband is an govt employee belongs to sc category I am bc both are loved each other and married with parents blessings.If he do any help while feeding my baby she will not accept she said that is duty of mother let her do. If she stay at our village he behave like good man.when ever she come to our house problems get started.i worked in Pvt. Sector from past ten years and i spend all my money while construction of my home. I don't want to loose my husband I need him for ever for me n my kids. Plz suggest legal implications in this matter and oblige. I will b very grateful to you. Thanks in advance....awaiting your legal advise....