Indusind Bank — noc of bike loan

Address:

560076

Hi sir,

I have taken bike loan under loan number cu0244664. This is closed long back in the year 2016. When i login to the account it says the amount is completely filled. But to get noc they are asking that there is due of 3500/- and on top of it. 500 need to paid. Then only we can get noc. And it takes 30 days. Can you please advise if the information is right? Why they are asking for more money?
Ap07bb7219 is the vehicle number.