Assets worth Rs 35 crore have been attached in connection with the 2013 Saradha chit fund money laundering case of West Bengal, the Enforcement Directorate (ED) said on Tuesday. The attached assets are in the form of vehicles, buildings, flats and bungalows in Bishnupur, plots of land in districts like South 24 Parganas, Nadia, Cooch Behar and Jalpaiguri, it said in a statement. The "book value" of these properties is Rs 35 crore, the ED said. With this, the total value of attachment in this case stands around Rs 640 crore. "These properties were either owned by the Saradha Group or proceeds of crime were invested in such properties (Saradha Group having paid full advance to vendors)," the probe agency said.