Ahmedabad Defenders warded off a spirited challenge from Kochi Blue Spikers to record a hard-fought 15-14, 15-14, 11-15, 14-15, 15-10 win in the Rupay Prime Volleyball League championship at GMC Balayogi Stadium here on Tuesday. In a must-win game for Blue Spikers, it was Defenders who were off to a good start, winning the first two sets thanks to the …