Non receipt of aadhar cards

Uidai has posted through india post aadhar cards of self and my wife in the first week of june 012, and as per the india post tracking, they were shown to have been received by indore gpo and delivered on 24th and 29th june 2012 respectively, whereas the same are yet to be received by us. References are as follows: ue515994355in forwarded by uidai on 07/06/2012; purported to have been delivered on /12. Ue536016200in forwarded by uidai on 08/06/2012; purported to have been delivered on 012. Request you to redress the grievances.