Earlier, former Beatles singer Sir Paul McCartney and actor Pamela Anderson had also lent their support to the campaign. 10,000 petitioners had signed up for the PETA's online campaign to free Sunder.
After the uproar, the Maharashtra Forest Department in August had ordered that Sunder should be released into a sanctuary. PETA has now moved the Bombay High Court, claiming the order has not been followed.
The online campaign for Sunder went viral when a video showing caretakers of the temple beating him up with a stick.