Dhaka, Oct. 12 -- Amitabh Bachchan's customary birthday greeting outside his Mumbai home has sparked debate online after a video showed security personnel holding back young admirers and the Bollywood star declining to shake hands with a fan.

The incident took place outside his residence, Jalsa, on Sunday as Bachchan celebrated his 84th birthday, according to Indian broadcaster NDTV.

In the video, the actor, dressed in a red kurta, steps outside to greet fans who had gathered for a glimpse of him.

As Bachchan acknowledges the crowd with folded hands and waves, several young admirers attempt to approach him, prompting security personnel to intervene.

At one point, a woman reaches towards the actor, apparently seeking a handshake, but h...