Question

Describe how the Himalayas are formed. NCERT Class IX Social Science - Contemporary India Chapter 2. Physical Features of India

Answer 1

The oldest landmass of India was a part of Gondwana land,which included India, Australia, Africa and South America as one single landmass. Convectional currents split the crust into a no. of pieces, thereby leading to the drifting of the Indo - Australian plate towards the North after being separated from Gondwana Land.
The northward drift resulted in the collision of this plate with the much larger Eurasian Plate.
Due to this collision,the sedimentary rocks which were accumulated in the geosyncline known as the Tethys, were folded to form the mountain systems of West Asia and Himalayas.
Like these Himalayas were formed