Punjab National Bank (PNB) has detected another fraud of Rs 9.09 crore at its Brady House branch in Mumbai which is at the centre of the Rs 12,600 crore fraud involving billionaire jeweller Nirav Modi and his uncle, Mehul Choksi. The latest fraud involves a little known company called Chandri Paper and Allied Products Private Limited that was issued two letters of undertaking (LoUs), according to the FIR registered by the Central Bureau of Investigation on March 9 on the complaint of PNB. This is fourth CBI FIR against the Brady House branch. Two branch employees, Gokulnath Shetty, a retired deputy manager, and Manoj Kharat, a single window operator, have been named as accused along with Chandri Papers and its two directors Aditya Rasiwasia and Ishwardas Agarwal.