Yes, wife can divorce; If that is so delegated in the nikanama (relationship contract type) the said right is known as Talak-e-Tafweez (delegated powers of divorce). Spouse may delegate suitable to divorce though contracting relationship as per paragraph 18 on the Nikahnama, then the wife provides a right to divorce, https://bestsuccessionmatterslawy93801.madmouseblog.com/12300909/the-basic-principles-of-best-wife-maintenance-lawyer-in-karachi-near-me