New Delhi, March 19 -- As the Tamil film industry pulls off the near-impossible-bringing together two of its biggest icons, Rajinikanth and Kamal Haasan, for a 2027 action film-the contrast with Bollywood has rarely been sharper.

The gap underscores a deeper structural challenge: while southern cinema is increasingly enabling large-scale collaborations, Bollywood continues to struggle with star economics, egos and execution risks.

In Hindi cinema, attempts to bring top stars together have repeatedly faltered. Projects like the remake of Ram Lakhan have failed to take off, while Tiger vs Pathaan-a much-hyped spy film starring Shah Rukh Khan and Salman Khan-has been deemed unviable for now by Yash Raj Films.

In contrast, Tamil cinema con...