The mob threw chairs, caused panic among the audience, police said.
A mob barged into the annual day function of a private school on Monday and disrupted a student's dance performance on the song
Ghoomar from Sanjay Leela Bhansali's Rs 190 crore-costume drama
Padmaavat, police said.
A child and a parent were injured in the attack at a school in Jaora, 42 kilometres from Ratlam town, police added.
"15-20 people barged into the school premises where as part of its annual day function;
Ghoomar dance from the film
Padmaavat was being staged by a young student. The mob threw chairs, caused panic among the audience, disrupted the function and then fled the venue," senior police officer MPS Parihar of Jaora police station said.
He said investigation was underway to check whether they belonged to the Karni Sena which has been opposing the movie.
Police were in the process of registering a case, Mr Parihar added.