How to calculate housing loan procedure

kollipara sundaraiah (B.com) (2892 Points)

21 March 2023  
one of the non it returns filed person housing loan required for bank of india loan amount rs:50 lacs .bank it returns required f.y.20-21 profit rs:4,20,000/- and f.y.21-22 profit rs:4,80,000/- declared in it returns.
question:
how the loan calculation procedure on it returns based .