The incident took place in Navtol village where at least 60 persons started vomiting and suffered from loose motion after consuming food at a feast held for the villagers by one Mohan Jha, Bhairavsthan police station in-charge Anil Kumar said.
He said local health department officials were informed about the matter and subsequently a medical team has been rushed to the village to treat the ailing people.
The medical officer in-charge at Jhanjharpur Primary Health Centre (PHC) Dr Deepak Verma said 45 persons have been treated so far by the medical team and the remaining patients were undergoing treatment and they were out of danger.