Mental harassment from in-lawd

Hii... I got married in year 2010 .. my mother in law harras me always ...we have given as much as they demanded ...After 2 months of marriage I became pregnant .. right from that moment they started torturing me in many ways ... I had a baby girl in 2011 ... After birth also they harassed me a lot .. by not sending me to my mom's house and not letting me to talk to them .. it was horrible and they continued to do the same for 2 yrs ... Later I got separated in 2014..But we still stay in the same house.. in laws stay in ground n we stay in first floor of same building... Even though they still do the same....I have baby boy in 2016 ... Waiting patiently for them to change their behaviour... but they didn't. ... Both my FIL n MIL harrasing me by spoiling my reputation in public , ... Using vulgar language.. now they threatening me and my hubby that they will throw away us from the House and instead they are black mailing us that they will file a case against us by not taking care for elders or his parents... .. I am so tired now.. feeling to die.... Lost everyhope ... . i don't know what to do... cause nobody is there to support mee.. cause they torturing n blackmailing their own son ...i am unable to understand what will happen to my kids ...Please do the needful