India Post — To send my post to kabul city of afghanistan

Dear sir/ madam
I send a post to my friend in pune city but the i do not know what was wrong with it so the post office did not hand it to my friend and send it back to afghanistan bu it is more than three months that my post has not reached afghanistan i went to the ministry of communication of afghanistan many times for knowing about my post but they said that they have not received this post from india sir/madam this is my post number(Pr[protected]af) and i want the india post to send my post quickly.