Identify this place............

Here we are again back to the question we last had in Proud to be Sikkimese. So, anyone identifies this place in Sikkim.

Sikkim Royal family vehicle licence plate (1965)

From the page of National Geographic (1965)

The photograph was taken during the coronation of Chogyal Palden Thondup Namgyal at Gangtok (1965).

Chogyal Palden Thondup Namgyal with Gyalpo Hope Cook

From the pages of National Geographic Magazine (1965).