Bachchan and his family have been among India's highest-profile coronavirus patients.
The superstar, his actor son Abhishek, actress daughter-in-law Aishwarya Rai, and granddaughter Aaradhya were all admitted to the hospital in July.
All four have since been released.
Read also: Coronavirus-Stricken Aishwarya Rai and Daughter Admitted to Hospital
The veteran star returned to work last month filming India's version of "Who Wants To Be A Millionaire?" after authorities eased coronavirus curbs on movie and TV shoots.
Nevertheless, with cases in India nearing five million, authorities in Mumbai — the home of Bollywood — have asked production houses to ensure that common facilities are regularly sanitised, masks worn and social distancing "followed as far as possible".
Bachchan's last film, comedy-drama "Gulabo Sitabo", went straight to Amazon's streaming service in June, after theatres in India shut down in March due to pandemic fears.
(Writer & Editor: AMU/STU/AM/RBU, Agence France-Presse)
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