Postal Life Insurance — bond paper

Address:	Lucknow, Uttar Pradesh, 226023
Website:	PLI

Sir my pli policy no is aps-446972l on which i have taken loan against the policy.
I have submitted all the installment and now i have submitted the loan amount on 26 sep 2017from lko apo.
And whenever i am calling to the customer care no or the number given by apo lucknow the no is always busy.
But the original bond paper yet not received.