India will not hesitate for a moment to cancel any defence deal, even if it's in the final stages of finalization after technical and commercial evaluations, if any malpractice or corruption is found in it. With murky wheeling and dealing in arms deals again resurfacing after Army chief General V K Singh's allegations as well as some unsubstantiated charges of irregularities in the $20-billion MMRCA project doing the rounds, defence minister A K Antony on Thursday made it clear that action would be taken even if the contract had already been inked.