Tata Open Maharashtra: Sumit Nagal loses to Serbian Troicki, bows out

*Melbourne:* India's Sumit Nagal put up a strong fight before going down in three sets against Serbian Vicktor Troicki in the men's singles opening round at the third edition of Tata Open Maharashtra, here on Monday. India number two Nagal, who took a set away against legendary Roger Federer during his debut Grand Slam match at...