Work on the survey of land at Gorakhpur village — the site for Haryana’s first nuclear power plant — came to a halt on Monday after irate villagers held three engineers of a private company hostage for five hours. According to sources, the engineers of DBM Geo-Technology and Construction Company, working for the Nuclear Power Corporation of India Limited, had gone to the village without taking the local administration into confidence. For the last six days, they had been collecting soil and water samples. Farmers are not ready to part with their land for the project.