Image credits: Yogen Shah The Narcotics Control Bureau on Monday interrogated actor Arjun Rampal in connection with a drug-related case. The actor appeared before the agency at its Mumbai office for questioning. Now, we have learned that the NCB has not given Arjun Rampal a clean chit. Zonal Director Sameer Wankhede said, "The investigation is on in Arjun Rampal case we have not given him a clean chit." When asked if the prescription of the scheduled drug was forged, Wankhede said, "We have found a discrepancy in the statements given to us and therefore examining it. And if the need arises we will call him again."