Akshay Kumar on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010.

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Akshay Kumar on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

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Neha Dhupia on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

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Akshay Kumar on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

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Akshay Kumar on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

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Akshay Kumar on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

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Akshay Kumar on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

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Kunal Khemu on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

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Kunal Khemu on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

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Kunal Khemu on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

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Ajay Devgn on the sets of 'Kaun Banega Crorepati 4' at Filmcity, Mumbai on October 25, 2010. (Pic: Viral Bhayani)

Behind the Scenes