My brother wife harresing my mother nd my brother

Hello sir, My brother's wife.they both get married in 2014 and after sum time she always trying to go to her home.if my brother say no she start creating issue nd fight with him nd then go her home.even her family member always trying to force my brother to come at there home in weekends.since her marriage she used to follow this create issues fight nd go home for 10 15 days.she is staying with my brother nd mother who is not well since long time.she had sum pblm with legs so she cant stand with support.Recently she push my mother nd she had fracture in her hip bone.at that time my bother was on his way to home.she called him nd with help of my fil she get her admited to hospital.my mother didnt tell anything at that time.simmi my brother wife shr told that my mother trying to stand with help of her elder daughter who is 3.6yrs old nd due to disbalance she fell down.after 1 week my mother got discharge nd next day she fight with my brother nd leVe home.my mother suitation got worst nd 3 time she was admitted to hospitalfor her sever health issue.After 1 month admitted in hospital she back home but not in good condition.we almost loose hope that she will survive.But during all this period she is contacting one of our family member to get my mother info nd trying to convence them to force my brother to call her back.even she starting giving us threat from known person "to call her back otherwise she will put case on us against dowry".we didnt tk serious nd we just doing things.than she start saying that she was all her things jewel back through our mediator nd sumtime say she dont want to live along with my brother.she moved to second floor of our home nd do job nd tk care of there both daughters.we said no we will not do like this.now we hv file case sec 19 to call her back on legal terms and complain against for pushing my mother.they hv dates in march.now she is calling our relatives to force my brother to call her back.Its almost 4 months she is staying with her parents with no contact between them.please suggest what else we can do on this.we r 2 sister nd 1 brother.we both sister is staying outside india for almost 7 yrs.does it impact us she is used our name in all this thing in court.we usually visit india for 1 month nd many stay with inlawsonly.In 2018 my mother was sever chest infection so she was admitted in hospital.just to tk care of her nd help her i stayed along with them for 2 mo ths.during that she again fight mwith my brother with making issues.in process of soorting out she called police nd complaining that me nd .my brother is harresing her.nd she said she wan 1 crore in favour of her daughters.