The victim, a student of BA (Part II), was molested by the Rahul (21) when she was on her way to her college, they said.
Later, when she resisted, Rahul inflicted grievous injuries on her with an axe, police said.
However, hearing her cries for help, the locals rushed to the spot and nabbed the accused, who was thrashed by them.
Later, the youth and the victim were rushed to hospital, where their condition was stated to be stable.