Here's the brutal economics of Bollywood: Javed made $15M+ in royalties, which means he sold his intellectual property to producers who then monetized it across decades. Salim, conversely, retained producer credits on franchises like Sholay—meaning he captured backend profits, distribution rights, and residual earnings as those films were re-released, remade, and syndicated. One song royalty is a one-time payday; producer credits are a perpetual annuity. Javed's $8M annual production house revenue is respectable, but Salim's empire was built on owning the underlying IP.

The partnership between them is the smoking gun: Sholay alone generated $50M adjusted for inflation, but the split wasn't equal. As the primary screenwriter-producer, Salim secured a larger equity stake in the film's success. Javed, though the lyricist, was compensated per-song—a transactional model that didn't scale the way producer participation did. This is classic Hollywood math: the person who controls the asset (Salim) accrues exponential wealth, while the person who provides talent (Javed) gets linear compensation. By their third or fourth blockbuster together, Salim's accumulated producer wealth was already outpacing Javed's royalty stream.

Finally, real estate tells the story: Javed's $20M portfolio in Mumbai is substantial, but it's deployed capital—money sitting still. Salim's wealth likely includes ongoing entertainment industry investments, production company stakes, and strategic partnerships that generate continuous revenue. Javed diversified into real estate when he should have negotiated for producer equity; Salim stayed in the game and let the game multiply his money. The $30M gap isn't about talent—it's about who owned the table versus who was invited to sit at it.