Need suggestions to get divorce by my wife

Dear sir, Year ago I got married which is non register, but we both were in a relationship before the marriage with different people, by discussing about breakup, we decided to get married, afterr the marriage due to my finance problem, I told my wife to stay in her parents house only reason I wanted to study a course, also as she working as professor she wants to study for her PhD and NET, I told her don't resign the job and be there itself, before she agreed for Everything but later on she started to tourtrring me by comparing to her ex boyfriend in every situation, which made my mind loose my concentration in job and my course and everything, where I have decided to get separated by her, even she said the same, but she acts as multiplayer day and night differently with me she says I don't want you, with her parents she claims she is a innocent, she beat me and abused me many times, I have never raised my voice and never man handled her, now finally she says she need justice as alim