The Enforcement Directorate (ED) has seized immovable assets valued at Rs 2.04 crore belonging to G Ranganathan, the proprietor of Sresan Pharmaceutical Manufacturer, as part of its money laundering probe tied to the Coldrif adulterated cough syrup tragedy. More than 20 children had lost their lives after consuming the contaminated medicine. Officials said the attached properties include two residential flats located in Kodambakkam in Chennai, which are owned by Ranganathan and his family members. The action was taken on December 2 under the Prevention of Money Laundering Act of 2002.