India Post — request for passbook close is not completed from 1.7 years

Address:

Aligarh, Uttar Pradesh

Respected Sir,
I have an saving account no 19504896 in post office Beswan, Aligarh since 1997.I have request in post office for close my account in 2009 but till date do nothing.
Many times i meet to post master about my status for close my account but response was null.Post master said to me for written application each time.when i meet in next time to post master said to me i already send your passbook but that not return from Aligarh post office.
I suffer from this problem last 2009.Please help me and close my account.
Thanking you.
Gireesh Kumar S/O Kishan Kumar
Account No. 19504896
Post office - Beswan Aligarh
PIN-202145