Can Sunni Muslim boy marry a Mahdavi girl? Is it permissible?
بسم الله الرحمن الرحيم
(Fatwa: 1041/1015/B=10/1438)
The beliefs of Mahdavi sect which are available in their books make them out of the fold of Islam. Thus the nikah of a Sunni boy is not valid with a Mahdavi girl.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband