"This is where it all started in a way," he said, reminiscing about the good old days of Sunil Dutt's "Reshma Aur Shera" when the entire unit would hang around together.
"It was so much fun back then... all of us - Sunil Dutt Saab, Waheedaji, Raakhee and me had loads of fun... Now for 'Eklavya' I feel the same sense of bonding with Vinod Chopra's unit.
"The entire unit - Vinod, Pradeep Sarkar, Jackie Shroff, Saif and Vidya Balan - feels like one family... We lost two days of the schedule when it rained incessantly. But we've two days extra to make up for the loss."
And even as the mega-star is busy with his shooting schedule, in Banglore audiences went into a tizzy when his first Kannada film "Amrithdhare" premiered in that city Friday.
The viewers went wild with joy when they heard Bachchan speaking in Kannada. In the key theatres like Sagar, many people jumped on to their seats when Bachchan appeared on the screen.
"Really?" said an incredulous Bachchan, when told of the audience reaction.
"It's hard to believe. Mine was only a walk-on part. I just slip into the film and slip out. But it's nice to know audiences in Bangalore have reacted so positively to my small presence in the film. I love the city of Bangalore and its people."
On "Eklavya", which was earlier titled "Yagna", he said: "Yes, that's the name of my character. I don't know if Vinod means to honour me by naming the film after my character. If he does, then I'm honoured.
"We've wanted to work together for a long time. It feels wonderful to be working with new directors. I just completed 'Ek Ajnabee' with Apoorva Lakhiya. Vinod and Apoorva belong to a different generation of filmmakers. It feels good to be bridging that gap."
Incidentally both "Eklavya" and Karan Johar's "Kabhi Alvidaa Na Kehna" are in sync-sound.
"I think live sound is the best method to work. It captures real sounds and allows an actor's voice quality to come into play. I think our films are getting extremely techno-savvy."