Compressional Stress
When the Indian and Eurasian Plate collided, which caused it to crumple and fold, between 30-50 million years ago.
Himalaya Mountains
The Himalayan Mountains are what form India's northern Border.
The Himalayas resulted from the collision of the Indian Plate into the European plate. The softer Indian Plate was forced underneath the harder European Plate, which caused the European Plate to rise up and form the Himalayas.
Folded mountains are formed when rock layers are bend under stress.
The Himalaya's formed when the sub continent of India broke away from Gondwanalandand from memory approx 55 million years ago. Gondwanaland was comprised of the continents we now know as Antarctica, Australia, South America and Africa. The Indian piece travelled north and collided with Asia ie where India now is. This caused uplift of the collision forming the Himalaya's. It is anticipated that Australia (which is drifting north at a rate of 13cm per year will eventually form part of mainland China. It would be likely by that time that the Himalaya's would be considerably smaller due to erosion and the collision between Australia and China will create a new mountain range.
They were formed by deposition and by convergent boundaries
It caused them to form city-states
the collision of India with the continental land of Asia while the the continents where still in formation
Compression stress from other tectonic plates squeeze the plates, causing it to buckle in the center, and for mountains to form.
Fold-block mountains form when tension makes the lithosphere break into many normal faults.
no no My reascearch tells me that the Himalaya Mountians form the Border Between Nepal and Tibet I hope my research is Correct do inform me. You are right. The Himalayas form the border between Nepal and Tibet. The Ural mountains form the border between Asia and Europe, and is located mostly in Russia and Kazakhstan.