Answer:
(Fatwa: 668/620=L/1429)
The nikah of the Sunni girl was not valid with the boy having such beliefs; therefore there is no question of talaq. Yes, if he repents from his past beliefs and the local Ulama are satisfied with him then he can do nikah if the guardian of the girl is ready to do so.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
