Right to claim maintenance and share in property in void marriage

if a hindu wife 'A' is married to a hindu boy 'B' and if the marriage was registered as valid marriage anyhow and later on it's validity was questioned in the court through petition by the 3rd party whose rights were been affected respectively and court finds after verification that marriage between A and B was void under sec 5(5)of hindu marriage act(sapinda- relationship), so Ques.1 - would the child from such void marriage under sec5(5)of the HMA will get the maintanence or any share in B's(father of child )seperate property or in ancestral property ? Ques-2-would A(Wife)will get maintenance or share in B's(husband)seprate property or ancestral property? under what section child and wife would get maintenance and share in property Ques-3- would the marriage registrar will be responsible for registering void marriage to be valid or the parties to marriage means A and B will be made responsible for that? please suggest accurate answer to this question as soon as possible? thankyou