Husband committing zina with his sister in-law

Q: If someone did zina with his wifes sister while his wife was still in his nikaah. Does his wife remain in his nikaah or does this nikaah break since her husband did zina with her sister?

A: The nikaah is valid.

And Allah Ta'ala (الله تعالى) knows best.

Answered by:

Mufti Ebrahim Salejee (Isipingo Beach)