The Nifty Pharma index was trading 0.24 per cent down at 8,200 around 03:10 pm.
However, Piramal Enterprises (up 2.96 per cent), Dr. Reddy’s Laboratories (up 0.39 per cent), Sun Pharmaceutical Industries (up 0.37 per cent) and Glenmark Pharmaceuticals (up 0.06 per cent) were trading up around the same time.
Benchmark NSE Nifty50 index was down 30 points at 10,706, while the BSE Sensex was 70 points down at 35,252.
Among the 50 stocks in the Nifty index, 18 were trading in the green, while 32 were in the red.
Bajaj Auto, Maruti Suzuki India and Bharti Airtel were among the top gainers in the Nifty index.
However, Eicher Motors, ONGC and Tata Steel were leading among Nifty losers.