NEW DELHI: The Nifty Pharma index traded negative around 11:26AM(IST)on Tuesday in a weak market. Torrent Pharmaceuticals(up 0.91 per cent), Laurus(up 0.76 per cent), Granules India(up 0.38 per cent), Alkem Laboratories(up 0.3 per cent) and Biocon(up 0.3…

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