Movable and immovable assets worth ₹152.31 crore belonging to arrested Chhattisgarh government bureaucrats have been attached in a coal extortion case, the Enforcement Directorate (ED) said on Saturday. The assets include 65 properties belonging to coal trader Suryakant Tiwari, 21 properties of CM's Deputy Secretary Saumya Chaurasia and five properties of IAS officer Sameer Vishnoi, among others.