Can a wife announce talak for divorce? And if yes, what are the conditions?

She cannot announe divorce from her side, but she can ask her husband to divorce her in certain cases, like if she hates him, while he did not harm her, which is called (Khulaa), where she pays him an amount to divorce her. If he mistreates her, or does not spend on her, she can ask for divorce, and if he refused, she can request the Marjea taqleed to divorce her from him.