She received numerous ijazahs (permissions) of ijtihad, among them from Ayatollahs Muḥammad Kazim Ḥusayni Shīrāzī (1873-1947) and Grand Ayatullah ‘arif (1859-1937), the founder of the Qom seminaries (hawza).
[1] She also granted numerous ijazahs of ijtihad to female and male scholars, among them Sayyid Mar'ashi Najafi.
[2] She wrote several books about Islamic sciences, among them a tafsir in 15 volumes, and established a maktab in Isfahan in 1965, called Maktab-e Fatimah.
The maktab was directed since its inception until 1992 by Banu Amin's most prominent student, Zīnah al-Sādāt Humāyūnī (b.
Banu Amin had eight children, only one of whom survived her (Sayyid Muḥammad ʿAlī Muʿīn Amīn).