Big willful defaulters’ dues to PNB drop to Rs 15,175 crore in July Industry-The Economic Times — August 26, 2018 comments off New Delhi, Aug 26 () Liabilities of big willful defaulters of scam-hit Punjab National Bank (PNB) fell by 1.8 per cent to Rs 15,175 crore by July-end over the previous month, according the state-run’s bank data.