The factories include Nira-Bhima Cooperative Mill (controlled by former Congress minister Harshwardhan Patil), Sahakar Maharshi Cooperative Mill (controlled by former minister Vijaysinh Mohite Patil of NCP), Indreshwar Private Mill (controlled by Harshwardhan Patil's family) and the BJP minister Vinod Tawde-controlled Srinath Maskoba Private Mill.
The notices are part of the first phase of action against the erring mills, who have defaulted on payments to the tune of Rs 120 crore, a senior official told PTI.
More notices are likely next week, the official said. Altogether, 28 factories in the Pune region have so far cleared dues for the last crushing season.
State Cooperation Minister Chandrakant Patil recently indicated that action would be initiated against sugar mills for failing to clear cane dues for the last crushing season.
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Patil had said the Sugar Commissioner's office would be issuing notices to the erring mills after the one-month moratorium came to an end.
The mills which failed to pay the FRP to farmers were asked to submit an affidavit before the issuance of crushing licenses for the present season. The affidavit had made it compulsory for the mills to pay their outstanding dues within a month of starting crushing operations.
Of the 178 mills which had gone for crushing last season, only 98 have managed to pay 100 per cent FRP to the farmers.