His passport was confiscated by police.
75-year-old Ferreira turned up before the Economic Offences Wing (EOW) for the second day today, following Wednesday's directive by a sessions court to present himself for questioning.
The court, which is hearing his anticipatory bail plea, had also granted him interim protection from arrest till January 31, when his application would be taken up again.
Yesterday, he was grilled for nearly two hours.
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According to police, Ferreira earned crores through his association with the company for years and participated in and promoted the firm's schemes extensively.
Ferreira, who was away in Malaysia, yesterday said he could not appear before the EOW earlier as he was undergoing treatment, but refused to disclose the nature of his illness.
The ace cueist will be called for questioning again in the next few days, police said.
Mumbai Police had on January 2 issued a lookout notice against Ferreira after he failed to appear before it despite summons in the second week of December asking him to turn up and explain his association with the company.