Ten of those who ate the 'prasad' and fell ill are critical, and others are out of danger, police said. The incident took place at Khatangi village Monday night, about 70 km from here.
There were 26 men, 20 children and five women who consumed the 'prasad'.
"Ten of them are critical and others are out of danger," a district police officer said.
"All of them were admitted at a government hospital in Kurtha for treatment," the officer added.
Relatives said that soon after eating the 'prasad', the children started complained of stomach pain and started vomiting, exhibiting symptoms of food poisoning.
Police officials said the incident created panic among the villagers in view of mid-day meal tragedy in July in Saran district, where 23 children died after eating poisonous food at a government school.