I always felt for Vidya and liked her for supporting Gaurav. I am not getting that feeling anymore. She had brought this pain on herself and somewhere, though it's cruel, she deserves all the pain for holding on to Gaurav; for so long.
At the end of the day; her character is turning out to be very selfish; for wanting Gaurav, to love her. I agree, Gaurav ruined her life, but I am getting a feeling that she is doing the same to Gaurav. She had an opportunity to walk out of that marriage and settle with any man or Cheenu (I don't care who she settles with because she has lost my respect, Sorry).
Gaurav and Karan had planned before to leave India and settle somewhere, where their relationship is respected and Vidya just ruined it all.