(1) Leh is located at a height of 1150 feet.
(2) The rarefied air is there.
(3) It is not advisable to exert for the first 24 hours.
(4) Breathlessness is common for the first day or two.
(5) India is bounded by the young fold mountains in the North-West.
(6) Sri Lanka is separated by a narrow channel of sea from India.