The Enforcement Directorate (ED) on Monday arrested Unitech Founder Ramesh Chandra, his daughter-in-law Preeti Chandra and an executive of a company, officials said. The three were taken into custody under the provisions of PMLA in case against Ramesh Chandra's sons, Sanjay Chandra and Ajay Chandra. The Chandra brothers, accused of siphoning home buyers' money, are lodged in a Mumbai jail.