P.J.Cherian Claims Pattanam As Ancient Civilization and Meeting Place of Civilizations. But he has not yet revealed the Name of Civilization/Civilizations After an Year

P.J.Cherian claims Pattanam as ancient civilization.Cherian claimed it to be a settlement and said that he has  clear evidence of presence of ancient civilizations at Pattanam.He further stated that studies have to be conducted on how these civilizations existed(The Hindu 29-05-2010 Kochi Edition) P.J.Cherian has not yet revealed the name of  the civilization or civilizations that existed at Pattanam after giving a statement one year back