The film, starring Ranbir Kapoor and Priyanka Chopra, is India's official entry at the Oscars next year. It has been directed by Anurag Basu.
Majid Youusf Dar, a sports manager and son of Kashmir's football star Mohammad Yousuf, was apparently shown among the bank robbers in the movie.
"My client (Majid Youusf Dar) has been portrayed as a bank robber in the movie without his consent," Dar's lawyer Abid Banday said, adding they were planning to send a legal notice to the producers.
"He is not an ordinary person... He is a sports icon of the valley," the lawyer said.
Director Basu has already been criticised for allegedly copying scenes from other Hollywood movies in the film.
