Answer:
(Fatwa: 1584/1205=H-1429
(1) When nikah is conducted with its all conditions then nikah is valid, it is legal too. The verses of Surah Al-Noor and Surah Al-Ahzab are before your eyes, seek their explanations by writing them or study them in the translation of Shaikhul Hind and Bayanul Quran (of Hadhrat Thanwi). If any thing remains unsolved, submit the question again.
(2) The question is not clear; you should contact Maulana Muhammad Taqi Usmani,
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
