New Delhi, Oct. 11 -- Some stars shine for a season, some rule an era, and then there is Amitabh Bachchan, a phenomenon who has spent more than five decades redefining what it means to be a superstar.

As the legendary actor celebrates his 84th birthday today, Indian cinema salutes the man whose commanding baritone, towering screen presence and remarkable versatility have made him an institution in his own right.

Affectionately known as Big B, the Shahenshah of Bollywood has journeyed from box-office disappointments to unprecedented acclaim, from iconic action dramas to emotionally layered performances, and from the silver screen to television and social media.

His story is not merely about fame; it is about the extraordinary power of p...