Special vigilance judge Chitranjan Dash also slapped a fine of Rs 1,000 each on the three for the offence committed during 2005-06.
The three convicts are OAS officer Benjamin Prasad Deogam, former BDO of Khariar block in Nuapada and now Deputy Secretary in tourism department; Labanya Sundar Nayak, former head clerk of Khariar block; and Tarachand Agrawal, supplier.
However, the three moved bail applications soon after being convicted and the court granted them bail.
The water coolers supplied did not match with the quotation cited by the supplier and due tender process was also not adopted by the officials.
This caused excess payment to the tune of Rs 2,94,600.
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