Pathanamthitta: At least 13 students and a teacher of Rose Dale Residential School, Chandanappally here have been hospitalised with food poisoning after consuming chicken biriyani.
Those affected are admitted to three hospitals in the Pathanamthitta district. Their conditions are understood to be stable.
The food item was served at the annual day celebration at the institution last Friday.
According to reports, the reaction, in the form of vomitting and diarrhea, started the next day.
The biriyani had been ordered from a hotel at Koduvally. The hotel has claimed that while they had delivered the biriyani by 11 am, it had only been served by 6pm.