What is the alimony applicable for wife if husband income is 17K

Hi Sir, I am husband party.I have filled a divorce against my wife because of below Reasons: 1. Wife has denied me proper sleep and food. Every day quarrelled with me during Dinner and at sleep .Also, my wife suspect my character. Fight is mainly because I am care for my parents. I need to care my parents being their only son.But, she wants me to separate and she did it. Are there any law to protect the rights of old people? It has been 4years of marriage and i have 3years daughter.i have been shifted to a rented house for around 1.5years which was forced by my wife.she has sepperated me from my parents.she has forced me to do this.after separation also she didnt end the fights n agruments. So thn i decided to seperrate and filed a divorce and now am staying with my parents. And my wife is staying on same rented house for which am paying the rent amount around 15k. I dont have any kind of proof. She is Graduate (TYBCOM ). And am under graduate. there will be a full n final settlement.(one time payment) I get 17k pm fixed salary. no other income. What is maximum compensation that can be asked by my wife's family . I suffered severe mental torture from my Wife and her family?