Shamitabh Hdhub4u -

The story revolves around a struggling actor named Raman (played by Dhanush) who teams up with a eccentric scientist, Dr. Shamitabh (played by Amitabh Bachchan), to create a revolutionary voice technology that can synthesize and mimic any human voice. The technology, known as "Shamitabh," is a huge success, but it also puts Raman and Dr. Shamitabh in danger.