<div>The CBI filed its first chargesheet in the country's largest financial scam worth around 11,000 crore rupees in Punjab National Bank by billionaire jeweller Nirav Modi. The charge sheet, filed in a special court in Mumbai today, also names several other top officials of the bank.&nbsp;</div>''<div><br />''</div>''<div>The officials informed that the chargesheet deals with the first FIR registered in the case relating to fraudulent issuance of Letters of Undertaking worth over 6,000 crore rupees. The agency has not given in detail the role of Mehul Choksi in the present charge sheet.&nbsp;</div>''<div><br />''</div>