"Work scintillating filled with challenge. Anurag Kashyap is a task master and shall not be easily satisfied... I like that," Big B tweeted.
Kashyap had also earlier said the 70-year-old actor is "demanding".
It is for the first time that Kashyap and Big B are working together in a full-fledged project, after shooting a scene for "Bombay Talkies". They are working on a show, co-produced by Bachchan's Saraswati Creations and Endemol, for Sony Entertainment channel. The show is reportedly about social issues.
On the set of the show, Amitabh enjoyed meeting "Gangs of Wasseypur" actress Richa Chadda.
"Anurag introduces me to visiting artist, on set, Richa Chaddha. She is a bundle of talent... an honour to meet her," he further tweeted.