Divorce

My question to you is ...my wife and I have been married for 16 months but the day she entered my house from next day she started blaming my mother that she said false about me....I askd my mother but she had no idea about it ....my wife stayed for a month or so and stared abusing me in a very bad manner...she always demanded money to me so that she can travel with her family ....now she has started abusing ...my parents ....plus she also said twice to me I'm pregnant but I aborted it ....first time I askd her but.....she and her sis told it was a joke ....again she played the same game past six month and fooled me ....she had not been living here from past six month when we ask reason she threats me evry time that I have lady police friend ....she threat me asking for money .....although she has a house in her name has property of own....threats my family ...on basis of money ....every time ....she threats us saying that she knows gulabi gang of women blames my mom and sister provoke me to stay away from them ....she lies me evry aspect I can't even ask her a ques ...she abuses in a bad manner please help ....tell a solution