At least 30 girl students of a government residential school fell ill after having food served by the school authorities in Nagaur district's Langore village.
The girls complained of nausea and uneasiness after eating food last night and were admitted to different hospitals, police said.
One of the girls, who was in serious condition, was rushed to a government hospital in Ajmer, police said.
Sub-Divisional Magistrate and Food Inspectors rushed to the spot to take the stock of situation.
"So far, no case was registered with Degana police station," a senior police official said, adding that once the ailing girls recover further process will start.
The girls were in the age group of 11 to 13 years and belonged to nearby villages.
