NEW DELHI: CPM politburo member Sitaram Yechuri said V S Achuthanandan has not mentioned anything about him resigning the post of opposition leader in the letter sent. Yechuri too confirmed receiving VS’ letter. A decision will be taken after holding discussions, he said.Police investigation in the T P Chandrasekharan murder case is not moving in the right direction. The real culprits behind the murder of TP should be brought before the law at the earliest, he said.