Amid tight security arrangements, the 31st batch of Amarnath pilgrims consisting of 173 pilgrims left for Kashmir Valley from Jammu this morning.<br/><br/>According to police sources the batch including 130 men, 07 women and 36 Sadhus and Sadhvis left for Kashmir Valley from Bhagwati Nagar Jammu base camp, in a cavalcade of 6 light and heavy vehicles, around 3 am this morning.