Procedure to file for talaq

I am a very good husband and father to my only child. However I have the worst woman on the planet as a wife and have had countless number of issues because of her horrible and cruel nature. She has several times beaten my child and always been a money minded woman. Before leaving my house she assaulted my mother and ruined her entire face .. Now that she has gone we have even tried reconciliation as it is a procedure before divorce but even relatives of mine are saying this woman is horrible and how I have tolerated her. Please help me with divorce procedure. Her family is very corrupted and can file all unwanted cases against me as the girl doesn't want to lose me .. She wants to do her best to extort money and will go to any length of filing false cases. Please help me as I am Stuck. How to file divorce and what if she doesn't accept the talaqnama via post or acknowledge it and then go ahead to file DV. I am not the least bit interested in even giving her any maintainence as she made my life hell for these 10yrs