Bluedart — Loss of Box during courier

Address:

Lucknow, Uttar Pradesh, 226021

Waybill Number : [protected] had 10 boxes. But bluedart delivered only 9. They are not delivering the 1 remaining box. Probably they lost it. They are not responding to mails and complaint over customer care number. I dont kn ow how to get my box from them. I have paid them full in advance. I have the waybill copy.