The probe agency has also seized his laptop and mobile phone and will also analyze the seized gadgets for further investigation.
As many as 169 search operations have already been conducted by the government in this case.
This is the second big arrest after businessman Vijay Nair, a close aide of Chief Minister Arvind Kejriwal.
Manish Sisodia said his family got a clean chit in the raids in connection with the liquor policy case