Diya, a class 12th student of a private school in Sikar, alleged in her suicide note that she was being tortured by her school teachers - Ramakant and Piyush, police said.
"She was at her home in Banswara during Diwali vacations. She poured kerosene and set herself on fire yesterday," the police said.
A case has been registered against both the teachers for abetment of suicide, police said.