Mr. Naresh Kumar Meena, Assistant Professor, Biyani Girls College explained about Plate Tectonic .There are three type of earth plate –SIAL,SIMA,HIFE. http://www.gurukpo.com, http://www.biyanicolleges.org
<iframe width=”560″ height=”315″ src=”https://www.youtube.com/embed/65yGYR9PJRo” frameborder=”0″ allowfullscreen></iframe>