Kottayam: Excise Minister TP Ramakrishnan said that his department has initiated strict measures to stop the widespread drug abuse among teenagers of the state. He said that the Excise Department is on a mission to track down the source of drug sales. The Minister was responding to Mathrubhumi News in the wake of its investigation series 'Lahariyil Mayangunna Kaumaram'. Mathrubhumi News Impact.