1) Can we do muttah for the girl whose father and grandfather both died and she’s a virgin and she is not married?

2) If the girl has done muttah with other but not told her father and taken permission, does this means she has done Zina?

3) If she has done muta without her fathers or grandfathers permission, and the muttah time has ended and she wants to do muttah with other so does she have to take permission from her father or grandfather every time?

1) Her father and paternal grandfather are her Wali amr. If they are dead she can make her own decisions. However it is recommended for her to seek advice from other family members.

2) If she has done muta without her fathers permission, she would have done something wrong but it is not considered zina.

3) Yes she does