First Flight Couriers — non deliver of my pan card through courier

Address:

110080

Dear sir,
My name is harsh prasad s/o of sh. Ansuia prasad, r/o of d-1/69, sangam vihar, new delhi.
My address : house no 69, no -1, block d, sangam vihar, new delhi, 110080, the land mark is a few meters from dispensary, near ata chakki.

When i track the courier, it says address insufficient.
I have to maintain that.
1. I am born and brought up at the same addresse.
2. My whole family, including mother father and sister reside at the same addresse.
3. We are the oldest in the block, so every body knew us
4. My father is a chartered accountant who registered the first flight company, when it was incorporated, he was a ca, article assitant than, we beleive in first flight.
5 i must be given an answer so as to why, the mark - address insufficient is mentioned,
Plz
Send my courier to me asap
Harsh prasad
S/o ansuia prasad
D-1/69,
House no 69, block d
Gali no -1,
Sangam vihar, new delhi - 110080