Manas Ranjan Bhunia, the minister for water resources investigation and development, will be quizzed at his home as he is a senior citizen.
Chatterjee was allegedly seen in some of the public functions organised by the now-defunct I-Core which was charged with duping investors by offering them abnormally high returns on investments.
Both Kunal Ghosh and senior journalist Suman Chattopadhyay have earlier faced arrests in the Saradha Ponzi scam case and are currently out on bail.
He said ED officials on completing searches early this morning have not issued any notice to him, but have asked him to be available to them when ever required.
This has come in the midst of ongoing West Bengal Assembly polls.
The one time second-in-command of Trinamool, Roy's name figures in both the Saradha ponzi scam and Narada sting cases.