NEW DELHI: The Nifty IT index closed on a negative note on Wednesday. Shares of HCL Technologies (up 0.31 per cent), Tata Consultancy (up 0.31 per cent), Mindtree (up 0.24 per cent), Tech Mahindra (up 0.04 per cent) and Infosys (up 0.02 per cent) ended…

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