India Post — delay in deliver of bank posts by the postman

Address:

501401

I have to be received two post from one is yes bank debit card and another is sbi life both has been dispatched one month back, still yet to be received, and the post man telling that come and collect the courier that to giving time 10am to 1 pm. Is he doing service or anything else.
Track: en[protected]in. The postman is not at all interested to deliver.