India, Jan. 8 -- Late last year, when Sandeep Reddy Vanga unveiled the first look of his upcoming film Spirit on his lead actor Prabhas' birthday, the title card caught everyone's attention. Instead of Rebel Star, how Prabhas is usually introduced in promotional materials, the promo called him 'India's biggest superstar'. While it was in line with Vanga's on-the-nose promotional approach for his films, the tag did start a debate, with fans of everyone from Shah Rukh Khan to Rajinikanth taking offence.

But just how inaccurate would it be to call Prabhas India's biggest superstar, if at all? The answer lies in your definition of a superstar and what decides one is bigger than the other. But if box office draw and mass appeal are the bigges...