The land is situated in five districts of Bhopal, Umaria, Raisen, Sehore and Balaghat districts of Madhya Pradesh.
The terminated IAS couple allegedly purchased these lands in the name of Harsh Kohli, Seemant Kohli and other names to convert black money into white money, an ED official said.
Their 610-sq foot flat is situated in Patel Nagar area of Bhopal which was also purchased in the name of some other persons.
The case was registered against the Joshi couple by ED in 2011 under Prevention of Money Laundering Act (PMLA).
The couple was terminated from the service in July this year.