Tank Ex of the DRDO at Def Expo, Delhi

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Tank Ex, or MBT Ex, is the code name of a main battle tank developed by the Indian Defence Research and Development Organisation (DRDO) in 2002. It is rumored to be called "Karna", after one of the heroes of the Indian epic "The Mahabharata". Tank-Ex was developed as a second attempt after Ajeya (upgraded T-72) by DRDO to harness its technology spin-offs. The Tank Ex had successfully undergone six months of trials, however it was rejected by the Indian Army. At least two prototypes have been built. Source: Wikipedia The defense expo in Delhi held subsequently, is world's seventh largest and Asia's largest Defence Expo in the series of biennial Land, Naval and Internal Security Systems Exhibition. The first exhibition was held in 1999 and subsequently in 2002, 2004, 2006, 2008 and 2010.The