Making the world better, one answer at a time. Millions of years ago there was a volcanic eruption.The lava which came out from the volcano solidified to a tableland.And this table land is know as the deccan plateau.this is how the deccan plateau formed.ow was the deccan plateau formed? already exists. already exists as an alternate of this question. exists and is an alternate of. We see in that market that those companies online do have competition, and you just talked about how movie theaters are competing with these home viewing companies. Does Dealflicks have any direct competitors in its ...