MUMBAI: Two NSG personnel, including an officer, were today martyred and six other commandos injured during operations against terrorists in Mumbai, the first casualties suffered by the elite force during the siege. Major Sandeep Unnikrishnan, 31, was martyred while engaging terrorists this morning at the Taj hotel, an NSG spokesperson said. Commando Chander received fatal bullet injuries during gunbattle at Nariman House, the official said. Six other commandos were also injured during the encounters with terrorists at Taj hotel, Oberoi-Trident and Nariman House. Major Unnikrishnan was with the 51 Special Action Group of the force and was with the...