Before 225 million years ago India was a large island located off the Australian coast and separated from the continent of Asia, the ocean of Tish, the giant continent of Pangea began to separate and India moved northward towards the continent of Asia, at a rate of 9 to 16 centimeters per year, and at this time was the bottom of the Tish Ocean It began to slide north under the continent of Asia, and the boundary of the plates was continental-oceanic converging, and after the ocean floor was completely settled under the continent of Asia, and the sediments coming from the Indian edge were washed and accumulated on the edge of the Eurasian continent, forming what is known as the cumulative wedge, these accumulated sediments formed the beginning of a chain Himalayas. .