False Marriage Promise by girl. What action can i take against her?

I have been dating a separated girl since last one year we had physical relationships from time to time.she promised me she will file for divorce from her husband.recently i got to know she is trying to fix up her things with husband.since many days she is ignoring me avoiding my calls and message.she took money from me in person i gave it to her because she told me she doesn't have money to file for divorce.recently i got to know her in laws are not willing to accept her back.later i did tell someone in her laws about us.I am really broken Please help me