The Special Economic Zone (SEZ)) planned by SREI Infrastructure Finance Ltd is not taking off presently. SIDCO will soon be setting up an industrial estate at the outskirts of Perambalur town. Approval of a site measuring 44.4 acres (180,000 m2) at Elambalur by the Directorate of Town Planning has been hastened. According to an official release, a total of 113 plots are to be set up in an area of 27.50 acres (111,300 m2). In addition, commercial complexes would be contributed on a site up to a maximum of five cents in area. The city is multi cultured with people from various states residing there.
Perambalur has an average elevation of 143 metres (469 feet).