I have not received the MIS INTEREST against Pass Book #28756 with Sub-Post Office Bidhan Nagar CC Block P.O. 700064 due on 01/04/2010. Rs.600/ only. Since then I have com-plaid all the Quarries & had sent main reminders even upto Dy. Director( PG& S) Dak Bhawan at New Delhi for the last years, Now what shall I do? So I am lodging this complain to you for Justice & payment of my dues, Thanks. Sona Das,