Unknown woman claiming to be my wife what action can I take

Hi Experts, On 29 March 2016, My dad got a call on this mobile from PCO number, a lady was talking and saying she is my first wife and she has married me 8 years back(which I did not do it). on 3/4 th April again my dad received a Speed posted letter, in which she claims the same as above and she is going to get media and other women organization to my home and protect, there after not calls and no letters. I have the original letter sent by her and the PCO number from which she called, Can I log a POLICE complaint against her for creating false allegation