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Chakraborty, Swarup (26 July 2010). "KBC: Waiting for a facelift". Business Standard India. Archived from the original on 27 July 2020. Retrieved 27 July 2020.
Chakraborty, Swarup (26 July 2010). "KBC: Waiting for a facelift". Business Standard. Archived from the original on 29 July 2010. Retrieved 26 July 2010.
Chakraborty, Swarup (26 July 2010). "KBC: Waiting for a facelift". Business Standard India. Archived from the original on 27 July 2020. Retrieved 27 July 2020.