Where is worlds highest post office situated?

Where is worlds highest post office situated?
A) Hikkim
B) Sikkim
C) Manali
D) Ladakh
Answer: Hikkim

Hikkim is a village in Lahaul and Spiti district of Himachal Pradesh state in northern India.

The worlds highest post office, Hikkim is situated at a height of
A)14765 feet
B)14067 feet
C) 14657 feet
D) 14567 feet
Answer: 14567 feet

Where is indias first Post Office Passport Seva Kendra (POPSK)?
Mysuru

Silent ambassador of a nation - Postal stamp

First postal stamp in India - Scinde Dawk (1845)