Mumbai, June 10 -- Tech Mahindra Ltd is up for a fifth straight session today. The stock is quoting at Rs 1622.5, up 2.75% on the day as on 12:44 IST on the NSE. The benchmark NIFTY is up around 0.13% on the day, quoting at 25136.5. The Sensex is at 82493.19, up 0.06%. Tech Mahindra Ltd has gained around 3.14% in last one month. Meanwhile, Nifty IT index of which Tech Mahindra Ltd is a constituent, has gained around 0.31% in last one month and is currently quoting at 37669.2, up 1.95% on the day. The volume in the stock stood at 21.43 lakh shares today, compared to the daily average of 16.6 lakh shares in last one month. The benchmark June futures contract for the stock is quoting at Rs 1624.5, up 2.62% on the day. Tech Mahindra Ltd is up...