Her Father is forcing her to marry whom ? to you or Someone else?
Brother Keep one thing in Mind, this is India, Women Favoured Nation. Let her stay on her own. Speak to her father. God forbid if her Mother dies or anything happen to anyone. you will be in the Cirlce of Doubt being BF.
E.g. If your girl Slaps you, Law will say you have harrassded her, If you Slap her even to push her away from Wrong doing. You are doing Cruelty on your Girl.
Before Marriage Read Dowry laws 498a, DV Act and Act Accordingly.