Mumbai, June 9 -- Dr Reddys Laboratories Ltd gained for a fifth straight session today. The stock is quoting at Rs 1321.8, up 0.07% on the day as on 12:44 IST on the NSE. The benchmark NIFTY is up around 0.46% on the day, quoting at 25117.25. The Sensex is at 82511.15, up 0.39%. Dr Reddys Laboratories Ltd has risen around 10.56% in last one month. Meanwhile, Nifty Pharma index of which Dr Reddys Laboratories Ltd is a constituent, has risen around 3.24% in last one month and is currently quoting at 21684.4, up 0.47% on the day. The volume in the stock stood at 9.1 lakh shares today, compared to the daily average of 19.37 lakh shares in last one month. The benchmark June futures contract for the stock is quoting at Rs 1320.2, up 0.24% on th...