Nishkam Diwakar, posted as Chief Executive Officer of Zila Parishad of Banswara, was arrested in the case after initial interrogation, Additional SP ACB Bajrang Singh said.
He was found involved in the case of allotment of a lease deed of 27,000 sq yard land to a firm in Jaipur against prescribed norms in 2001, he said.
The officer was posted as Deputy Secretary in Urban Development and Housing Department when the deed was issued, he said.