The draft copy of the Socio Economic and Caste Census 2011 will be displayed at select places in all the wards in Perambalur municipal town from April 27 to May 18 between 11 a.m. to 2 p.m. In a release here on Friday, Darez Ahamed said that those in need of registering any objection, can submit their petitions on or before May 18. Similarly, the draft copy would be displayed at all village panchayats and town panchayats from April 27 to May 18. It will be displayed at the Grama Sabha to be held on May 1, the Collector said.