Militants on Thursday carried out a suicide attack on the CRPF battalion headquarters housed in a hotel along the banks of the famous Dal lake in Srinagar.The attack in the tourist hub of the city, coming after a period of lull in terror attacks in the state capital, happened around the time when Chief Minister Ghulam Nabi Azad was hosting an Iftaar party at the nearby Sher-e-Kashmir International Convention Centre (SKICC).