Consent of Sex with Video Recording clearly saying I will not marry you later on Will she can now frame me Under Rape Case

I had a Girlfriend we were in Relationship for 3 months, We went to Hotel were we made Physical Relationship before Sex I took her Consent in Video Recording we I clearly stated that I will not Marry her and We are having Sex with her Consent without any Pressure on her. After having Physical Relationship with her 5 times I broke up with her and now she fall deeply in love with me and forcing me to marry her, but I don't want to marry her. She is telling take either she will commit sucide or will make my life hell by rotting me in Prison. Please Guide me what should I do now. My Parents don't know anything till now. She is from Muslim Background and her Brothers are some type of Gundas and have Political Backing they are now threatening me to marry her. While I am a Hindu Brahmin and my parents will never accept her and I too myself don't want to marry her. Please help me out Guide me what should I do. I had already told her that I will not marry her and I have consent video too with me.