Arjun Rampal’s ‘Billionaire’ won’t imitate Vijay Mallya’s look, reveals filmmaker Robbie Grewal: ‘I’m trying to understand what made him become who he became’

After exploring the story of a business institution and its impact on India in ‘Made in India: A Titan Story’, filmmaker Robbie Grewal is turning his attention to a controversial business figure with his upcoming web series ‘Billionaire’.