She was India's first international superstar in the 1930s and 1940s. Astonishingly beautiful, prodigiously talented and a great-grandniece of Rabindranath Tagore, Devika Rani earned rave reviews for her first film, Karma. Shortly afterwards, she married Himansu Rai, and together they set up India's first truly professional studio, Bombay Talkies. Over the next few years, the studio became the launch pad for some of India's best-known talent, including...