Ranchi, Dec. 10 -- The Jharkhand Anti-Corruption Bureau (ACB) questioned commercial tax commissioner Amit Kumar for the fourth day on Wednesday in the liquor scam case, officials said.

An ACB official close to the matter said Kumar is being repeatedly questioned as he had held key positions before the scam surfaced and is expected to know how certain decisions were taken in violation of rules. Earlier, he was questioned on Friday, Monday and Tuesday at the ACB office.

"Amit Kumar was the excise commissioner and managing director of Jharkhand State Beverages Corporation Limited (JSBCL) when the excise policy was implemented in the state. The ACB wants to know how blacklisted placement agencies and liquor traders from Chhattisgarh were al...