"He is taking it gradually and not straining himself. He recorded a song for Ravi Chopra's Babul recently and will begin dubbing for another film.
He will take time to get back to his original workload," they said.
The 63-year-old actor underwent a successful surgery for infection, inflammation and perforation in his small and large intestines at Leelavati Hospital here on November 30, two days after he was admitted to Escorts Hospital in New Delhi following complaints of abdominal pain.
The superstar's illness had thrown the entire film industry in a whirl, with producers and directors as well as legions of fans praying fervently for Bachchan's speedy recovery.
Many projects involving the actor, including the popular Kaun Banega Crorepati television series had been stalled following his sudden illness.