Facing Problem

Dear sir, I'm Ajoy Roy from Sonarpur Kolkata. I'm want to asking something. I have a little Daughter of Four years age. I wants to know that if we (mean's me and my wife) wants to take Mutually Divorce whenever my wife is working. And she told me that she will not interested for giving me permission about any relationship between Me and my Daughter. Sir, I'm saying that I can't live without my Child. Is there any Law for my site?