Emails from PTI sent to all these auditors did not elicit any replies even after 24 hours.
The shallow auditing of the books of PMC by its statutory auditors was done as the 'bank was growing', Thomas claimed in the letter.
The letter of Thomas is part of the first information report (FIR) filed by the Economic Offence Wing of the Mumbai Police on Monday. The FIR names Thomas, PMC chairman Waryam Singh and the promoters of the HDIL and related entities.
"Since the bank was growing the statutory auditors, due to their time constraints, were checking only the incremental advances and not the entire operations in all the accounts," Thomas claimed in the letter.
"The statutory auditors validated the incremental loans and advances and scrutinised the accounts which were shown to them by the bank," he added.
In the past eight years, PMC had three statutory auditors -- Lakdawal & Co (FY19 and FY18); Ashok Jayesh & Associates (FY17, FY15, and FY11) and DB Ketkar & Co (FY14 and FY12).
Thomas confirmed that the exposure to the bankrupt HDIL Group continued to remain standard despite there was delay in repayments for over three years. The bank's exposure to HDIL Group was around Rs 6,500 crore as of September 19, 2019, he admitted in the letter.
He said some of the large accounts were not reported to the RBI from 2008 because of fear of reputational risks.
"The concealment of information from the board, auditors and regulators was due to the fear of reputational loss," Thomas informed the RBI.
He said prior to 2015, a few top borrowers would be mostly checked as reported by the bank branch-wise, therefore those accounts did not come into the picture and it was around 2017 onwards when the RBI started asking for details of the advances.
After being informed of the mess at the bank by a whistleblower on September 17, the Reserve Bank had on September 23 placed PMC under an administrator and suspended the management and also banned it from carrying out regular banking activities.
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