The case of phishing involves a senior manager with Dabur India Ltd, Sahibabad, who lost about Rs. 8 lakh in the fraud.
Sena said many banking frauds have come to fore during the Modi regime.
The plea also sought a directive for the constitution of a committee of experts who would find the details of bad debt cases in the country.
The event will also hurt PNB's asset quality in the March 2018 quarter. While the finer details of the fraud have not been provided, making it difficult to gauge the exact impact, analysts say it will dent the bank's financials.
