Over 60 children took ill after eating the mid-day meal served at the government primary school at Randaha under Branati police station in Vaishali district of north Bihar on Friday.
"The children were admitted to the Hajipur government hospital from where they were released after first aid," district magistrate Jitendra Srivastava said.
Rice, pulses and vegetables were served in the meal. "Soon after eating the food, some children complained of stomach ache and started vomiting," sources said.
On hearing the news, parents rushed to the hospital to enquire about their children's health, he said.
On July 16, 23 children died after eating contaminated midday meal at the primary school in Dharmasati Gandaman village in Saran district, also in north Bihar.