The government has been utilising the net accruals on account of Provident Fund as captive resources to finance its day to day expenditure, Drabu said in his budget speech in the state assembly here.
"To make matters worse, instead of accounting what it had borrowed from its employees, the net general provident fund (GPF) was grossly understated in the budget so as to get a higher allocation of market borrowings. This fiscal hara-kiri has been committed year after year for the last 30 years or so.
The finance minister warned if the changes to the accounting system were not affected now, the state government may not be in a position to pay out the provident fund to the employees.
"The real threat of fiscal crisis, which I am raising now, should have been highlighted in 2009 when the New Pension Scheme was introduced in the state.
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For, post the NPS, the new inflows have stopped while the old outflows are continuing.
Drabu said he would leave it to the house to debate and decide whether it was a "fraud perpetuated by earlier governments or a primitive accounting error".
He said normally the amount deducted as provident fund contribution should have been earmarked and invested in long term financial instruments, so that the government got a return on the corpus to fund the interest it pays to employees.
"The same procedure has been followed for State Life Insurance Scheme for government employees for which the liability is another Rs 588 crore," he added.
The finance minister assured the employees that the present government will overhaul the PF accounting system, make provisions and address this issue.
"It needs a major, painstaking and a creative clean up. If need be we will put in place a line of credit to pay what is due to our employees. Let there not be any panic," he said.
"Not so long ago, the withdrawal of part or full PF by our employees used to be a nightmare as their bills would remain pending in the treasuries for six to eight months.
"Today, and I am sure the employees will vouch for this, they are receiving their PF dues within a day or so of their presentation of the bill," he said.