Wife want divorce but I want

Dear Sir, I am graduate, IT Executive in reputed company, My marriage is happened before 9 years & love marriage. There is only problem between us is I had random problem with drinking which I had left before month ago because of problem. But My wife left with me with my 7 yrs daughter to her family home. She is strongly want divorce when I am already try to convince her from month that now its not going to happen again & I can handle any situation in future & i want to save our life & daughter's future but she don't want to listen anything she had black my call, msg, whatsap, facebook everything. Her family strictly talk to me with bad language & don't let me in to her house or meet her. I worried about her action, she is totally hypnotized by her mother more & her mom not want that she can live with me again. I know she is angry but there is no any other bad habit I have. I told her that i had already balance my life my job also running good.. But some how i fear that this time she is confident about it, when I want to save my family life. Please help me what can i do if she is confident & file petition for it.. i still want to save bcs I love her. Regards,