MUMBAI: A probe commissioned by SBINSE -0.85 % has flagged transactions worth Rs 5,500 crore in the books of Reliance CommunicationsNSE 3.03 % and two other Anil Ambani-led RelianceNSE -0.39 % Group entities for further investigation, four people with direct knowledge of the matter told ET. The probe into fund flows at RCom, Reliance Telecom and Reliance Telecom Infrastructure has examined related-party transactions, apparent evergreening of loans and seemingly preferential dealings with entitie .. ET