Esha Deol is pairing up with Ajay Devgan is coming film 'Main Aisa Hi Hoon'. Where Ajay is playing a role of a mentally challenged guy. But what Esha is doing with him in the film? She quickly giggles, "With Ajay in a film, he's the hero, in spite of being a mentally challenged guy. I'm playing a girl called Maya; she's like a mystery - at times you'll think you know her, at times you'll realize you know nothing about her."