The first case of food poisoning was reported from Dasbisa village here on Monday night, Chief Medical Officer Vivek Mishra said.
The marriage party of two brothers comprising hundreds of people started vomiting after consuming the wedding food, he said.
The second such case was reported from Satbisa village, he said.
Mishra said the 200 affected people in both the cases have been shifted to hospital and are out of danger.
Another 300 people were administered medication, he said.
Meanwhile, food samples from the wedding parties at both villages have been taken for inspection, he said.