At least 21 high school students in Pune region of Katraj and a teacher fell ill on Wednesday after eating midday lunch, police said. Rambhau Mhalgi high school students complained about nausea after eating masala rice around 11 a.m., after which they were rushed to neighbouring hospital, a police station officer from Bharti Vidyapeeth said. The students are undergoing medical check-up at the hospital, "he said, adding that a school teacher also complained of nausea. The policeman said a self-help group supplied the mid-day meal to the school, which falls under the private / help category. More  investigation is going on.