Dtdc courier fraud delivery

Dear sir, myself avadhesh maurya send a courier date 28-03-12 by dtdc jay courier mansa chowk dharuheda gurgaon to janta seed store mariyahu jaunpur pin code 2161 uttar pradesh.My consignment no is z58625169.My consignment price 3700 rupees is not delivered till date.I contact dtdc helpline no. But they can not responding my call & mail. I request u sir please help me. Regards, avadhesh kumar