Mumbai, Shiv Sena activists today held protests outside theatres in eastern suburbs warning owners to stop advance bookings of Shah Rukh Khan's film'My Name Is Khan' even as Maharashtra government assured that adequate security will be provided for the Friday release of the movie.

At Mulund, protestors pelted stones at Mehul cinema breaking glass panes, police said adding that several gathered outside Huma Cinema at Kanjurmarg and R-City Mall at Ghatkopar area shouting slogans against Khan.

The protesters asked the theatre owners to stop the advance bookings of the film ahead of its release on February 12.

"We have arrested 46 Shiv Sena activists protesting outside the theatres. More arrests are likely," Additional Police Commissioner (East) Ritesh Kumar told media.