My wife is cheating

Hello I am a married person, i saw few deleted message on my wife whatss app a doubt was activated in my mind due to which i used to check on message of wife when she used to work i got to know that she was indulged in extra marital affairs they use to send adult message and pictures now i m confirmed that she is cheating on me as she also use to meet during my office hours of which i have proof, what kind of action i m authorized to take.