Born as Muhammad Yusuf Khan, he entered filmdom with the 1944 release "Jwar Bhata" and after that he went on to give classics like "Madhumati", "Shaheed", "Devdas", "Andaz", "Amar", "Mughal-E-Azam", "Ram Aur Shyam", "Karma" and "Saudagar".His last film was "Quila" in 1998.The long-awaited biography, which traces the 91-year-old's life from birth, will be released at the elaborate function by lata, who is likely to sing a few lines of Dilip Saab's favourite song "Allah tero naam".