Actor Boman Irani will portray Ratan Tata in the upcoming biopic 'PM Narendra Modi', starring Vivek Oberoi. "I have always received comments on social media that I resemble Ratan Tata. I always thought the day the character comes along and I will be more than happy to play it," said Boman. Actress Zarina Wahab will portray PM Narendra Modi's mother.