adopted child

Adoption

Q: Is it permissible for someone to give away his newborn to his brother or sister if they don't possess a child and the child is to to be adopted forever.

Adopted child

Q: A child has been adopted by a South African Indian family. By what title may he address his adoptive father, mother and grandparents. Is it permissible to teach the child to say abba, ummi, dada, dadi, nana and nani? At what age is it appropriate to inform the child that he is adopted or should we adopt silence in this situation?