Post office Sonipat Haryana — Wrong address written by post office on speed post

Address:

Sonipat, Haryana

On 18th august 2015 i have send speed post from sonipat to pune on the desired address which i mention on the envelope at that time but she entered it wrong and now the envelope is not delivered at the right address now may i know who is responsible for that that envelope contains rakhi for my brother and now please take some action aganist that girl in post office who is responsible for speed post wrong delivery