Irctc — Refund of 3 A/c Fare as 3AC Coach not attached in train , had to travel in Sleeper Class

Refund of difference of Fare against my 3rd A/c Ticket but forced to travel with my Family in Sleeper Class in peak summer after booking ticket in 60 Days advance booking .Reason as AC Coach not attached in Train no 22620 on 31/05/2015. Raised refund claim thru IRTC site TDR format but no provision for attaching TTE refund certificate in TDR but my, claim for refund rejection reason TTE refund certificate not there. But for your kind information iam having Refund certificate from TTE, pl find below attachement. Hence request to kindly intervene and get difference amount refunded . 1.PNR No [protected] (Attached) 2.Train No : 22620 3.Jouney - From Kayamkulam to Durg. 4. Complaint No : S/SR/TVC/[protected] sms to Railway Minister on Journey date) 5. TDR Claim : Attached