Consumer Redressal

Against First flight couriers. it has been more than 8 days now when i sent my courier on 16 august 2013 d from gurgaon to jabalpur. They are not replying to my mails or complaints. From last 4 days I am trying to know what is the problem. I called gurgaon office but they told me that they would let me know but still no response.I tried calling jabalpur office they picked my call once but now they are not picking my call.