THIRUVANANTHAPURAM: The ruling CPM in Kerala on Thursday accused Congress MLA Mathew Kuzhalnadan of evading tax by undervaluing a property in the Idukki district and running a resort on a property where such commercial ventures are banned. At a press conference in Kochi, CPM Ernakulam district secretary C R Mohanan countered Muvattupuzha MLA Kuzhalnadan's claim that the property in Idukki …