NEW DELHI: Mining stocks were trading with gains in Thursday's afternoon session.Pacific Industries (up 4.97 per cent) , Glittek Granites (up 4.95 per cent) , Shirpur Gold Refinery (up 4.86 per cent) , Gujarat Mineral Dvpt Corporation (up 4.63 per cent) , Orissa Minerals Development Company (up 2.54 per cent) , Deccan Gold Mines (up 2.49 per cent) , Pokarna (up 2.36 per cent) , Divyashakti Granites (up 1.79 per cent) , Madhav Marbles and Granites (up 1.49 per cent) and ASI Inds (up 0.82 per cent) were among the top gainers.The NSE Nifty50 index was trading 18.90 points up at 12,362.20, while the 30-share BSE Sensex was up 75.25 points at 41,947.98 at around 02:08 pm.Nestle India (up 2.87 per cent) , Bharti Airtel (up 1.38 per cent) , Hindustan Unilever (up 1.19 per cent) , Power Grid Corporation of India (up 1.16 per cent) , Kotak Mahindra Bank (up 1.15 per cent) , Tata Consultancy (up 0.76 per cent) , Reliance Industries (up 0.72 per cent) , ICICI Bank (up 0.58 per cent) , Sun Pharmaceutical Industries (up 0.42 per cent) and HDFC Bank (up 0.28 per cent) were among the top gainers in the Sensex pack.On the other hand, NTPC (down 1.86 per cent) , Tata Steel (down 1.3 per cent) , Tech Mahindra (down 1.28 per cent) , Hero MotoCorp (down 1.15 per cent) , Axis Bank (down 0.76 per cent) , Maruti Suzuki (down 0.73 per cent) , ITC (down 0.56 per cent) , Mahindra - Mahindra (down 0.36 per cent) , UltraTech Cement (down 0.26 per cent) and HDFC (down 0.25 per cent) were trading in the red.