Under Hanafi jurisprudence a woman who has matured and is sound of understanding and intellect is able to marry without the need of approval from her guardian although it is encouraged to get one. The other three major schools of jurisprudence differ from this view.
Sila-e-Rahmi in Urdu – by Dr Saleem Anwar
Huqooq Ul Azwaj in Urdu – by Dr Saleem Anwar
Huqooq ul Azwaj in Urdu – by Dr Saleem Anwar