The 73-year-old actor accompanied Saurabh Nimbkar on the train from VT (Victoria Terminus) to Bhandup. Saurabh sings in the locals to raise money and also featured on Bachchan-hosted TV show "Aaj Ki Raat Zindagi".
"Local from VT (Victoria Terminus) to Bhandup to support Saurabh, who sings in locals for charity to cancer... Sang with him," Bachchan tweeted.
Saurabh plays guitar and sings on local trains and distributes the meagre amount he gets from co-passengers to the less fortunate cancer patients and their families in the city.
"The idea is not to create a splash among the media, or to create credible content for them, or for the subsequent promotion of the show #Aaj Ki Raat Hai Zindagi... The idea is to let him know that he is not alone... That he is appreciated that our support runs even after he departs from the show," Bachchan further wrote in his blog.