ANSWER:
No, this is not permissible as her brother in law is not her mahram and the prophet salla Allahu alaihi wa sallam prohibited for a Muslim woman to travel without a male mahram of her own, even for hajj.
ANSWER:
No, this is not permissible as her brother in law is not her mahram and the prophet salla Allahu alaihi wa sallam prohibited for a Muslim woman to travel without a male mahram of her own, even for hajj.