Around 20 unidentified people torched the costumes and the animal feed kept there for the horses featuring in the period drama yesterday.
Bhansali had faced a similar problem in January when members of Rajput Karni Sena disrupted the shooting in Jaipur and allegedly misbehaved with him.
"I think it's shameful that a director's freedom of expression is being curbed in this manner. Who are these so called moral guardians of Hinduism?," Sen told PTI.
"The incident showed a great lapse on the part of administration. When you are in governance you have to control these elements in society. It is part of your responsibility," she added.
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