Affair And Others

An NRI had an affair with a female in India and he was married and the girl came to know he is married but she was fine with it, and did not have any issues, and another guy came into the girl's life and he came to know about all this. The girl is been forced by the guy to love him and get married to him through the girl doesn't want. The guy is warning that if she doesn't marry to him he will say everything to the NRI's home where his parent stays. He has the contact number and knows the locatoin of the NRI and NRI's parents and his wife. The boy is indirectly routing money to him through that girl. He is not asking for NRI money directly but indirectly asking the girl to ask for money from NRI. Apparently, the girl had taken some loan from the boy. Questions: What legal actions can be taken if the guy reaches NRI home and inform about all these. What action can a girl take on the NRI. What action can a girl take on the Guy.