Members of Parliament from all political parties from Kerala staged a demonstration in the Parliament complex on the Mulla Periyar Dam issue.The MPs were demanding immediate intervention of the Prime Minister to sort the issue.Talking to reporters Congress MP, P T Thomas said that the water level in current structure is above danger level and lakhs of people will be displaced if any untoward incident happens.Mr. Thomas said that Chief Minister Omman Chandy will come to Delhi along with the MPs to meet the Prime Minister on this issue.