The 16-year-old student allegedly committed suicide on September 1 at her house. After three days, a suicide note was recovered in which the girl student blamed her physics teacher identified as Srinivas for harassing her, Nalgonda DSP Ramalu Naik said.
"We have arrested Srinivas in connection with the case," he said.
According to him, the victim alleged that she was feeling ashamed with the Srinivas's behaviour.