We all know that Aamir Khan is meticulous in his planning and work. For his next film 'Delhi Belly', the actor is neck deep in casting and has zeroed in on three actors for every part.

Abhinay Deo, who debuts as director with the film, says, 'It's an ensemble cast. Every character is equally important. We had zeroed in on Ranbir Kapoor to play one of the parts. But that didn't work out. So our search started again.'

He says that the casting progressed to a point where they've more or less zeroed in on three actors for every role. 'We start shooting end-August. We don't have much time to get the entire cast in place, ' Abhinay told.

Abhinay comes to direction after 350 ads. 'I've been making ads since 2006.'

Abhinay came in as a replacement to the Swedish director Robert Nylund. Or so we thought until now.

Abhinay explains. 'I was approached before Robert. Because of the nature of the film Aamir Khan wanted a fresh director. He started scouting in the advertising industry. He saw some of my work and felt I was the right person to do 'Delhi Belly', ' says Abhinay, who is son of veteran Marathi actors Ramesh and Seema Deo.

'Unfortunately at that point of time I was already committed to doing another project with Riteish and Farhan for Excel. That project hasn't gone beyond the scripting stage. That's when Robert came into the picture.'