Education Minister, Maharashtra — Emotional Harassment and use of inappropriate words. Using foul words

Hello, I'm writing this behalf of my friend l. Who is a student of art college in second year. Her first year class teacher has started misbehaving with her on call and whatsApp chat. Using unnecessary worda, foul word, making use if obscene words. She has recorded few conversation happened over calls. There is so much to say but she needs a proper and quick response. She is going through mental trauma due to such act. Pls help her