Srinagar, July 3 -- The annual Amarnath Yatra would start from both the traditional Pahalgam and shortest Baltal route in Kashmir on Thursday amid tight security measures.It is the first pilgrimage after the April 22 terror attack on tourists at Baisaran meadow in Pahalgam in which 25 tourists and a local pony wala were killed.In wake of the attack, registration for Amarnath pilgrims has seen a dip of over 10 per cent .Lieutenant Governor Manoj Sinha in the morning flagged off the first batch of pilgrims from the Bhagwati Nagar Base Camp in Jammu.The pilgrims will proceed toward the Amarnath cave shrine tomorrow, officially beginning the 38-day yatra.The cave shrine located deep in south Kashmir Himalayas is accessible via Pahalgam in Ana...