For (1) & (2), you may request / apply to the court to provide copies of those documents / statements that have not been given to you.
For (3), transfer of the case to another judge may be possible if you can show proof of the strong bias of the judge which may show that there would be miscarriage of justice. Offence under Section 498A IPC is triable by a Magistrate court. The court of Chief Judicial Magistrate has the power to transfer a case from one Magistrate court to another. You can make an application if you so wish.
For (4), you may request the court for adjourning the date for framing the charge if you have a justifiable reason. It is up to the court to agree or not.
Dr. Ashok Dhamija is a New Delhi based Supreme Court Advocate and author of law books. Read more about him by clicking here. List of his Forum Replies. List of his other articles. List of his Quora Answers. List of his YouTube Videos.