1. Since the girl is an adult and has not yet lodged any complaint against you, police is not likely to act based on her father's complaint.
2. Even if police acts against you based on her father's complaint, it will not stand if she deposes in your favour stating that she or her child has not been abducted.
3. Lodge a police complaint from abroad about her father's threat to kill you if you return to India after audio/video recording his such threats.
4.As of now, n case has yet been filed against you for which you shall not be arrested at all.
5. if any complaint is lodged against you, the matter shall be enquired by the police by calling you to the police station and if complaint is converted to FIR, you shall come to know about it and shall have to take anticipatory bail for the said FIR.
6. Thereafter you shall have to contest the case fittingly by engaging a local lawyer having expertise in this field.