New Delhi, Oct 23 (ANI): Prime Minister Narendra Modi on Thursday morning left for Siachen. Modi who is scheduled to spend this Diwali with the flood-hit victims of Jammu and Kashmir, is also visiting the soldiers posted at Siachen Glacier. Before leaving, Modi gave prosperous Diwali wishes to the people. Meanwhile security was tightened in Srinagar ahead of Modi's visit. Modi will reportedly review rehabilitation measures and visit a relief camp. This will be his fourth visit to Jammu and Kashmir since taking charge as prime minister in May.