Sen, who fled after his company went bust failing to repay its thousands of mainly rural investors on their investments, was arrested by the Bidhannagar Police on April 23 from Sonmarg in Kashmir.
The bail plea of Kunal Ghosh was rejected and he was remanded to five days' police custody on November 24.
Asked about the Facebook write-up Ghosh had posted hours after he was arrested, Arnab Ghosh said,” We are looking into the matter. It might be a case of impersonation. We are looking into all aspects.”
Arnab Ghosh, however, indicated that Ghosh had been cooperating with the investigating officers.