Divorce to my wife

I got engaged to a girl in 2014 as we liked eachother. Then in 2015 we got registered marriage as i was planning to go to australia at that time. She lives in surat and i live in ahmedabad. It was all good in starting but as time passed She started mentally harrasing me by constantly talking on phone Not to met any girl or my friend Compulsory inform where are you going or doing any regular stuff She put me in depression and i needed to take homeopathy medicine for depression Since our registration we are not living together As register was just done to make her passport of my name behind her name. Hardly we had met for 3-4 times in this 2 years of register marriage. She literally torchers me by her stubbornness. She is that stubborn that if anything she says i need to do that If i dont She threatens me that she will commit suicide and starts fighting with me on phone We only have contact on phone since 2 years Now i want divorce from her But She and her family is not ready to give divorce And they are threatening me That they will beat me or trouble me What should i do?? Plz kindly help me