The Central Bureau of Investigation (CBI) is reportedly investigating former managing director of Punjab National Bank, Usha Anathasubramanian and ICICI bank executive director N.S.Kannan. Following the Nirav Modi case alleging a fraud of over Rs 11,000 crore loan in the bank, 12 PNB officials have been arrested and the managing director, as well as the executive director of PNB, have been investigated by CBI so far.