Times for Qadha Salaah

Q: Is it permissible to make qadhaa after asr or is it preferable to make the qadha before asr?

Also, is it permissible to make qadha salah before or after maghrib ?

Q: If I have qadha salaah to perform, can I perform it after Asr salaah?

Q: I have qadhaa salaah for 3-4 days to make up. Is it ok if I perform my fardh first and then my qadhaa?

For example, Fajr Salaah for that day then Fajr Salaah for the day I missed? 

Q: I prayed qaza of zuhr and asr during forbidden time before zuhr. Should I repeat it?

Q: In order to catch up on my qadha salaahs I have been reading them straight after fajr during sunrise not knowing it has been wrong to do so, is my salaah valid and should I re-read all my qadha salaahs that I have read at this time?

Q: Can one perform Qadha of a missed Salaat during the period between the Sunnat of Fajr and Fardh of Fajr.

Note: After having performed my Fajr Sunnat I have sufficient time before the Fajr Fardh commences.

Q: Can Qadha salah be performed after asar and fajar namaz? People say no salah should be done after asar neither nafal nor qadaa. My mother was about to offer magrib qazaa of previous day after asar next day, i stopped her as i read that no sajda should be done after asar farz till magrib. 

Q: If a person has to offer a lot of Qaza prayers, can he offer Qaza prayers after every Farz Prayer?

Q: If we miss zohar namaaz, can one pray it after asr time?

Q: Can we perform the qadha-e-umri (all the 5 salaah of one day) after fajr namaz before sunrise?