Property is on my Widowed mother's name and my other siblings are claiming theirs share

Dear My father had a property on name of my mother and he died in 2007 due to which my mother sold that property and bought a new one in the same year on her name only. In March 2019 she filed a civil suit disowning we all 4 brothers because of bad behavior of my brothers and theirs wives but they replied the notice that they are the equal shareholders as my mom is a housewife and she merely has a source of income. But now a days they are like mentally torturing us (My mother, me my wife, my younger and eldest sister) they filed a suit of Dowery on all of us 5 members one from UP and one from Bihar. They have mentally tortured us upto this limit that we feel like tied up in our own house. They included me and my wife because even after getting disowned from the property i am helping my mother in every possible manner (financially and bearing her all medical expenses) They keep abusing us and keep saying will make your life worse than hell. We tried to make theirs video but once they see the phone they just ran away. We have filed complaint in Delhi Commission for Women. now i am thinking to go to national women commission Please someone suggest me how can i end this property suit legally fast, otherwise we won't be able to take that mental torture for so long