The actor was spotted at the historic Jorasanko Thakurbari - the birthplace of Nobel laureate Rabindranath Tagore - in north Kolkata, with filmmaker Shoojit Sircar.
Big B will also be promoting R. Balakrishnan's "Shamitabh" in the city Saturday.
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Bachchan and actors Deepika Padukone, Irrfan Khan camped in the city for a fortnight November last year during the shoot of Sircar's "Piku".
Incidentally, Bachchan's wife and actress Jaya will be speaking at a literary meet Saturday on the writings of her father and writer Taroon Coomar Bhaduri.