Watch: Action Replay of Nirav Modi's daylight robbery

Firestar Diamond owner Nirav Modi is accused of defrauding Punjab National Bank to the tune of Rs 11,400 crore but the question is how did he pull off a scam this big. Who all were involved in the scam? Watch BusinessToday.in Editor Rajeev Dubey explain the modus operandi behind India's biggest ever banking scam.