It's 3' o clock in the morning at the Yatri Niwas in Jammu. Close to 3,000 pilgrims from across the country have gathered here to undertake the Amarnath Yatra, an annual pilgrimage that takes place in the Kashmir Valley between the months of June to August. NDTV undertook the 300 km journey from the base camp in Jammu to Pahalgam, the first major halt of the pilgrims in the Kashmir Valley.