Conditions & Fundamentals of Hajj and Umrah

Q:

1. Please explain to me the status of the 2 rakats after tawaf, is it mandatory or nafil?

2. If someone does not offer these 2 rakats, should he have to offer qaza? 

Q: Can one read the 2 rakaats waajibul tawaaf one time after completing 3 tawaafs?

Q: I live in Oman and I am going for umrah. First I will go to Madinah then I will go to jeddah and last I will go to Makkah for umrah. So from where should I wear the ihram for umrah?

Q: Can the two rakaats after tawaaf be made after every tawaaf or can it be made one time after a few tawaafs are completed?

Q:

1.Please advise if I can use my dads Ihram for Umrah, which he used for hajj?

2. I have a problem with my left leg since childhood, I have to wear a compression garment on the entire leg which covers the top of the foot and the ankle, but the toes are open, will this be permissible inthe state of Ihram.

Q: Is it permissible for a healthy person to make nafl tawaaf on the electric scooters available in the Haram, even though he is perfectly healthy enough to do the tawaaf while walking. Can the permissibility be extracted from the situation of nafl salaah, where a healthy person is not obligated to perform his salaah while standing and he can do so sitting down?

Q: Is there any penalty for holding the ghilaaf of the Ka'bah during tawaaf of umrah, or tawaaf in general? Also given the fact that it is perfumed, is there any penalty that one must pay for after holding the ghilaaf, because its itr came onto the person. 

Q: 

1. Can one pray two rakaats of wajibul Tawaf between Maghrib Azan and namaz?

2. Can these two rakaats after Tawaf be prayed outside the Haram Shareef? If it can be, is there any distance we can pray within?

Q: If one goes for umrah, and during the journey, one's ihraam gets soiled with some form of najaasat, can one change into a new ihraam, or does the one that's soiled have to be washed and worn again?

Q: Can one perform tawaaf during sunrise, zawaal and sunset?