Jammu Tawi, July 31: A fresh batch of 1550 pilgrims amidst the chants of 'Bam Bam Bhole' on Monday left from Bhagwati Nagar Base camp here for Shri Amarnath Cave Shrine in South Kashmir Himalayas. An official said that 1550 pilgrims left the base camp in a convoy of 66 vehicles. A group of 1068