Question

19. Why is the Himalaya called Sentry of India ?​

Answer 1

The Himalayas, or Himalaya (/ˌhɪməˈleɪə, hɪˈmɑːləjə/), (Sanskrit: himá (हिम, "snow") and ā-laya (आलय, "abode, receptacle, dwelling")), is a mountain range in Asia separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has many of Earth's highest peaks, including the highest, Mount Everest, at the border between Nepal and China. The Himalayas include over fifty mountains exceeding 7,200 m (23,600 ft) in elevation, including ten of the fourteen 8,000-metre peaks. By contrast, the highest peak outside Asia (Aconcagua, in the Andes) is 6,961 m (22,838 ft) tall.[1]

Answer 2

India and Bhutan are probably the only two countries in the world...... Himalayas' Sentry......

stick to the respective national dresses (a thick robe called gho for man and women...