The headmistress of a school in Goalpara district of Assam was arrested and sent to jail for bringing cooked beef to school as her lunch, officials said on Thursday.

The headmistress, Daliman Nessa, allegedly brought the cooked beef during the 'Gunotsav 2022', a state-wide exercise to evaluate school performance held between May 11 and May 14. She was taken to the police station on May 16 after a complaint was lodged against her.