Planning to file a divorce

I am married since 2015 (arranged marriage), my wife and I had conflicts from the beginning. Before marriage, she stayed away from her family for 6+ years and lacks family values. She tried to challenge my family values from the beginning and even showed disrespect and argued multiple times. She never shared her finances/salary details with me ever. There were scoldings from elders for not sharing her finances with me, which she recorded. She always had problems with my sisters who used to visit home often to see my parents, she rarely showed good hospitality. There were several instances where she also screamed at my parents telling you survive on my husbands salary (I stay in my dads house). My father had surgery in 2017 (Passed away in 2018), there was a verbal fight between her and my parents which ended up in physical fight. Later I had to call her family to settle the matter or to go for divorce. She agreed her mistake and she also wrote a letter in which she mentioned that she will be following the values of our home, this was signed by all the witnesses. We have hardly been in talking terms in last 4+ years. In Aug 2018 she went for delivery. She stayed in her moms place for 11 months. During this period, I have visited her every third week. We both are in the same city since last 9 months and she has come home for 3 - 4 days a month. About 6 months back, she has taken all her clothes and shifted to brothers house (he has taken a house near her office). She has even made her passport, gas connection and bank communications on that address. She doesnt want to stay in my house for 2 reasons, she will have to follow certain values here (infact when some comes she will pick up a reason to argue with me and we do not talk to each other for months). She quotes office as a reason to shift to that area as it will save her commute time. Since august 2018 we are not together. I am not having any family life and want to go for a divorce, kindly provide genuine suggestion.