Housing loan interest and repayment calculator

Ketan Shah (Accountancy) (54 Points)

03 June 2017  

Dear sir, I have taken a housing loan in july,2010  in floater rate of interest and I am paying my installment regularly. but I have found some calculation mistake in interest. but bank employee deny to acccept this mistake. let me know anyone provide me readymade utilites to calculate interest or repayment on per day basis.  and also let me know if rate intrest change how to calculate perfect interest amount.