[Resolved]  ICICI Bank Loan — clearance of loan

Address: Nalgonda, Andhra Pradesh

Hi ,
My father took tractor loan from ICICI bank waragal to buy swaraj tractor iin the year 2005 installment around 20000 rs. for 3 months.First installament paid by DD on may 19th 2005 .We post it to the mumbai ,head office ,icici bank.we thought it is cleared .We came to know after 1 year 1 installment is not cleared .We had paid that..we approched ICICI bank Hyderabad,begumpet branch too. still is pending installment with interest.We paid all the installments.
How to approach to solve this ..