In Bihar, State Education Minister P K Shahi confirmed that 22 children have died due to contaminated food that was served yesterday in a primary school of Saran district.He said that other 25 children are undergoing treatment in Patna Medical College and Hospital where three are in a critical condition.He also said that an FIR has been lodged against the in-charge Principal Meena Devi and others, who were absconding.Mr shahi said that most probably oil used for preparation of vegetable was contaminated. He said that according to doctors, Organic Phospherus may be the cause of the death of the children but actual reason will be established after the forensic test.