Nifty Pharma index plunged 1.4 per cent, though it still outperformed the benchmark indices which fell more than 1.5 per cent. Nifty Pharma index too plunged 1.4 per cent, though it still outperformed the benchmark indices which fell more than 1.5 per cent. Going forward, 8,500-8,470 will act as major supports, followed by 8,315.