Army Postal Service — non receipt of original pli bond

Address:

New Delhi, Delhi

Dear sir,
My name is rajput arjunsingh panchamsingh, serving in indian air force.
I have taken pli policy in my training period in air force station sambra, belgaun in jan 2010. Since then i haven't received my original bond. And when i inquired about my bond at different apos/fpos they told me to apply for the duplicate bond against loss of bond with signatures of witnesses and counter signed by unit officers in proper channel.
But my senior officers have refused to sign claiming that it is not service work and it individual's personal interest.
What should i do now?
Policy number: aps[protected]a
Commencement date: sep 2010
Training number : 8921257-b
Reduction amount: 1270/- + taxes

Request further guidance.
Home address:
66, meghdhara society
Rakhiyal
Ahmedabad
Gujarat 380021