The victim, identified as Vandana Waman Jadhav, was working as a teacher in a Zilla Parishad school, police said, adding she had earlier lodged a complaint against the home guard, Pankaj Thakur, that he was harassing her and constantly calling her on her mobile phone.
After her complaint, police had registered a case against him.
However, since Thakur continued to trouble her, she decided to take the extreme step, an officer of Nashik Road police station said.