The CBI on Tuesday questioned former CMD of Punjab National Bank (PNB) Usha Ananthasubramanian in connection with the PNB fraud.
The CBI also said that it is now investigating fraudulent transactions amounting to Rs 12,636 crore at the PNB.
Earlier, the amount was around Rs 11,400 crore, but the bank on Monday night reported to the stock markets that it had detected additional fraud transactions worth Rs 1,251 crore scam.
The additional transaction have been detected in connection with Mehul Choksi's Geetanjali Gems, which along with companies linked to Nirav Modi, is accused of being the prime driver behind the PNB fraud.
The latest development is also indicative of the fact that the internal probe by the public sector bank continues to unearth more unauthorised transactions.
The CBI said that they have examined NS Kannan, Executive Director, of ICICI Bank and PNB's former Managing Director Usha Ananthasubramanian in Mumbai.
Apart from them, the agency questioned two serving General Managers of PNB.
The CBI said that they have examined Kanan pertaining to another set of loan of Rs 5,208 crore given to Geetanjali Group in 2016.
ICICI is the leader of consortium of banks that lend the money to Geetanjali Group of Companies. ICICI Bank alone had given loan of Rs 773 crore.