Cillian Murphy starrer 'Oppenheimer' and Margot Robbie-Ryan Gosling's film 'Barbie' locked horns in theatres on July 21. Both movies had created a lot of buzz prior to release. It has been ten days since the release and they are competing with each other at the box office. Christopher Nolan's movie opened with good figures of Rs 13.50 crore in India while Barbie made a decent opening of Rs 5 crore.