The notice, that came from the actor's advocate S Elambharathi, warned of legal action against those who are exploiting any unique elements of the actor's personality.
The plot of Jailer involves an inmate gang trying to free their leader from prison, only to have the jailer put on quite the show in order to prevent their escape.
Sudhakar, who was active in organizing the outfit when Rajinikanth was close to enter politics, had been with the Superstar for decades and was one of his loyal aides.
A news from Rajinikanth's 171st film is doing the rounds on social media that Pradeep Ranganathan is being promoted to direct the film, after Cibi Chakravarthi been dropped from the project.