Kingfisher Airlines reported a net loss of Rs 822.42 crore for the third quarter ended December 31, 2013.
The airline which has not flown for more than a year, had reported a loss of Rs 755.17 crore a year earlier.
With planes remaining on the ground, the airline had nil sales in the reporting quarter, similar to zero sales a year ago.
The auditors, B K Ramadhyani & Co, said the accounting method used by the airline to calculate costs incurred on maintenance and repairs of aircraft was "not in accordance with generally accepted accounting standards prevalent in India."
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Besides, the company's reserves as on March 31, 2013, would have been debit of Rs 14,340 crore as against the reported figure of debit of Rs 14,281 crore, it said.
The auditors have drawn the attention to Kingfisher's financial results being prepared on a going concern basis, notwithstanding the fact that the company's net worth is eroded, the scheduled air operator's permit issued by the DGCA has lapsed, the Karnataka High Court having admitted petitions by the consortium of bankers and one unsecured creditor for winding up of the company and several other winding up petitions pending before the court.
"The appropriateness of the said basis is inter-alia dependent on the company's ability to obtain renewal of the permit, infuse requisite funds for meeting its obligations, withdrawal of winding up petitions, rescheduling of debt, other liabilities and resuming normal operations," they said.
"Estimates of number of unflown tickets and their average value, based on which management has reportedly estimated the amount of unearned revenue, not being drawn from accounting records, could not be reviewed by us," the review report said.