Bajaj Auto — noc

Sir / madam
I have taken two wheeler pulsar 150 bike from priyanka automobiles baheri dist - darbhanga vide loan acount - l2wdbg03728253 in the name of biresh prasad. I already paid foreclose amount by agencies but till now after 17 month i did not get noc.
When i went to agencies yesterday the cashie of priyanka automobile told me your paid amount was not adjust in foreclose amount. Company had your paid amount in your a/c and paid only emi. Because the fault of bajaj auto finance you have to paid 8725 rupees.
Please close my loan account and give my noc. I can not pay again and again. Please mind your mistake othewise i will have to go to court.