The three parallel ranges of the Himalayas are:
The great/Inner Himalayas or Himadri
Lesser Himalayas or Himachal
The Shivaliks
Himadri: Greater Himalayas or Himadri comprises all major mountain ranges of the Himalayas.
Among the three parallel ranges of the Himalayas, the Greater Himalaya appears highest, largest and longest. The Main Central Thrust divides the Greater Himalayas and the Lower Himalayas. The famous mountain peaks like Mt. Everest (8,852 m), the highest peak of the world, Nanga Parbat (8,126 m) of India, Kanchenjungha (8,598 ) of Nepal and India, and the Zaskar Range stands in the Greater Himalayan Mountain belt.
The average height of the Greater Himalaya belt is 6000 m.