Expedite steps to conserve petroglyphs on Edakkal caves: Dr. Varier : Rashtra News #Expedite #steps #conserve #petroglyphs #Edakkal #caves #Varier Notable epigraphist M.R. Raghava Varier has urged the State government to expedite steps to conserve the petroglyphs on the Edakkal caves and Thovari hills in the Wayanad district scientifically.While presenting a paper on ‘An introduction