'RA.One', Shah Rukh Khan's most ambitious project till date, has garnered a mixed response, yet the film has managed to earn a whopping Rs.170 crore in the opening weekend. And for King Khan, this is an effort gone well.

"I know for a fact that when you try to attempt something different, some people would like it and some won't, and I knew this from the beginning," Shah Rukh told reporters here.