Mumbai, July 29 -- Zydus Lifesciences Ltd is up for a fifth straight session today. The stock is quoting at Rs 994.45, up 1.46% on the day as on 12:44 IST on the NSE. The benchmark NIFTY is up around 0.07% on the day, quoting at 24697.95. The Sensex is at 80903.8, up 0.02%. Zydus Lifesciences Ltd has gained around 0.45% in last one month. Meanwhile, Nifty Pharma index of which Zydus Lifesciences Ltd is a constituent, has gained around 4.31% in last one month and is currently quoting at 22761.15, up 1% on the day. The volume in the stock stood at 3.25 lakh shares today, compared to the daily average of 8.66 lakh shares in last one month. The benchmark July futures contract for the stock is quoting at Rs 997, up 1.7% on the day. Zydus Lifes...