Lic housing closing documents issue

Hi,

My cousin and her husband had break up and maintainance case & 498 are hearing current in court now.

one of the property which her father bought flat in name of her and her husband taken the housing loan in name of wife.

Now the loan amount has paid and cleared by her and for getting original documents LIC was asking that co applicant also should appear to take documents. but now her husband refusing to come and sign. how can i proceed to take the documents through court. please help