The agency grilled him on alleged misrepresentation by his companies while applying for coal blocks, CBI sources said.
They said the agency is also scrutinising documents provided by Jayaswals in their defence.
The sources said Manoj was asked about alleged infirmities found in his statements recorded in September.
Jayaswal figures as accused in three cases registered by the agency regarding alleged irregularities in coal block allocation.
While Manoj, owner of Abhijeet Group, has been named by CBI in three cases of alleged irregularities in coal block allocation made to AMR Iron and Steel, JAS Infrastructure and JLD Yavatmal Power, his brother Arvind has been named in a case against AMR Iron and Steel.
In the three cases in which the Jayaswals figure, CBI has slapped allegations of cheating and misrepresentation of facts to grab coveted coal blocks against the companies.
CBI in its investigation has found that the companies have allegedly given wrong information in their applications claiming they were not in possession of any coal blocks and inflated their net worth to show eligibility for them.
So far, the agency has registered nine cases with regards to alleged irregularities in connection with allocation of coal blocks.
