24(b) deduction

mohammad (article assistant) (140 Points)

21 July 2018  
my client house purchase in his own name as single owner and loan against such house is between father and son in equal proportion and both have made equal amount of installment.

whether both father and son eligible for 24(b) and 80c as house loan certificate showing their name or only father get deduction as his only owner of the property

thanks in advance
kindly guid on the same