Times of India | Big B, Aamir to launch Dilip Kumar's biography Business Standard The biography 'Substance and Shadow', authored by Uday Tara Nayar, was earlier scheduled to release on Kumar's 91st birthday last year, but will be now unveiled on June 9. Writer Uday Tara Nayar is also a close family friend of the Bollywood thespian. Big B, Aamir Khan to launch Dilip Kumar's biography |