MUMBAI: Ajay Devgn's "Bol Bachchan" turned eight on Monday, and the actor-producer invoked Amitabh Bachchans incredible voice power to do some promotion of the superhit comedy.

"When the Bachchans speak, I listen (especially Amitji) #8YearsOfBolBachchan," Ajay wrote on Instagram, along with on-set pictures he posted.

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"Bol Bachchan" was directed by Rohit Shetty and was broadly inspired by Hrishikesh Mukherjee's comedy classic "Gol Maal".

The film also starred Abhishek Bachchan and Asin, while Amitabh Bachchan essayed a special cameo in the title song.

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