Voting is likely to pick up in Gulmarg, Sangrama, Karnah and Uri assembly segments by midday.
Three paramilitary troopers, including an assistant commandant, were injured when militants attacked a Central Reserve Police Force (CRPF) camp in Sopore town Tuesday night.
The main contest in Baramulla is between the ruling National Conference candidate, Sharief-ud-Din Shariq who is seeking re-election and Muzaffar Hussain Baig of the regional Peoples Democratic Party (PDP).
There are 13 other candidates in the fray, but prominent among them are Engineer Rashid, a sitting Jammu and Kashmir legislator, and Salamuddin Bajad, a tribal Gujjar fielded by the Peoples Conference (PC) headed by Sajad Gani Lone.
There are 11.89 lakh voters in Baramulla Lok Sabha seat.
In 2009 elections, 41.84 percent votes had been polled here.