First Flight Couriers — misbehaviour and threatening

Address:

Kolkata, West Bengal

I had applied for my sons pancard and he is 1.6yrs old.the airway bill no is B[protected].the person from first flight called me from this no[protected] on 10/06/2015.First he asked about address and then he asked me whether my son can sign or not.I said him he is 1.6years old and couldn't sign.then he told him why you have applied for his pan card.then he threatened not to deliver the pan card and used slang language to me, then disconnected the phone.this is the service rendered by first flight. I am worried about not getting the pan card.