Hyderabad: Actor Ajay Devgn, whose last few releases including 'Himmatwala' and 'Rascals' did not do well at the box-office, says many a times he does come to know while shooting only that the movie will be a flop.


Ajay Devgn. Pic/Santa Banta 

But the 45-year-old 'Singham' star does not opt to leave the project because he feels it is unethical as an actor to walk out of the film in between. "80 per cent of the times I have come to know while shooting that the film won't work.