Question

want to know about tehthes ocean

Answer 1

It is a geosyncline that led to the formation of himalayas...
You can get a detailed version if you go and search in youtube with the chapter's name .... There is a video on it...

Answer 2

The Tethys Ocean was an ocean that existed between the continents of Gondwana and Laurasia during much of the Mesozoic era, before the opening of the Indian and Atlantic oceans during the Cretaceous period.