indira recognize rishi in his get up

Today in the last scene, JJ Singh challenged Indira and wishes her the best. In the process he had extended his hand to her. Did anyone notice that she was looking at his extended hand intently and then at his face. She had an all knowing smile on her face too right? She would have definitely noticed that silver ring in his small finger and the black thread, which he always wears. Moreover its highly improbable that a wife would not recognize her husband, what ever may be the get up, that too when he stands very close