Can a widow observing IDDAT attend the Nikah and Valima of her Sister in Law? Please elaborate. Jazakallah!
بسم الله الرحمن الرحيم
(Fatwa: 1268/1082=L/1429)
During iddah, a widow can not go out of her house for participating in nikah or valima of her sister in law.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband