The villagers, prompted by anti-Posco brigade, opposed the household survey in the village stating that the scope of the survey should only include the government land and not the private land.
About 250 acres of land had been acquired during four days of acquisition drive undertaken last month.
Nihar Das Pattnaik, the company's manager, CSR, and three others -- Arun Mohapatra, Debasish Swain and Prasant Rout - had gone to Patana village to conduct a survey of households for inclusion in the CSR activities.
Eight police personnel were on Saturday taken hostage near Paradip in Orissa by a group of locals opposing the Rs 52,000 crore Posco steel plant.