Militants managed to enter the 182 battalion camp in the city’s Humhama area, and launched the suicide attack at 4.30 a.m., according to police sources.
A security operation including Army Para commandos, BSF, Central Reserve Police Force (CRPF), and state police personnel was ongoing to flush out the remaining militants.
Authorities have now allowed passengers into the airport. But so far, no flight has either landed or taken off.
The four injured BSF troopers were shifted to a hospital.
Vehicular traffic has been suspended in the area. The security forces said that they sealed all possible escape routes.
The Jaish-e-Mohammad (JeM) terror outfit has claimed responsibility of the attack in one of Srinagar’s most secured area.
Union Home Minister Rajnath Singh has called for a high level security meeting in New Delhi later on Tuesday to discuss the overall security situation.