Woman covering her face in ihraam

Q: A female scholar in Masjid Nabwi told my wife that it is permissible to cover the face while doing Umrah and that there is no proof for covering the face while doing umrah. She followed her instruction and did umrah while her face was covered with niqaab. Was the female scholar correct? Does my wife have to pay any type of compensation?

Protection from black magic

Q: Can you please tell me what prayers I should say or du'a to keep bad people away from myself and my family as there are some nasty people in the family who I am afraid of in case they do black magic on me and my family. I know they are already involved heavily with the devil. I trust in Allah but I feel it may be necessary to protect ourselves.

Wazifa to receive one's visa

Q: I want a wazifa for visa. I am from Pakistan, I am now in Oman. My Kafil is not giving me a visa. He has my passport and he is now saying that he might send me back. I have had a lot of problems about moving out of Pakistan. Please give me a wazifa for my problem. As soon as possible.