2. British-era modernisation In 1854, Lord Dalhousie established a formal postal system with uniform postage rates and regulations, creating a structured network across British India.
3. Hikkim - The highest post office At 15,500 feet in Himachal Pradesh, Hikkim is the world’s highest post office, serving remote Himalayan villages and standing as a symbol of postal reach.
4. First airmail flight India led the way in airmail with the first official flight on 18 February 1911, from Allahabad to Naini, speeding up mail delivery.