Answer:
(Fatwa: 276=280/N)
It is difficult to cover all the issues in single fatwa; therefore you are advised to study Taleem-ul-Islam (of Hazrat Mufti Kifayatullah) and Bahishti Zewar in this regard.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
