Srinagar: The National Investigation Agency (NIA) on Monday attached a house and two kanals of land belonging to Hizbul Mujahideen chief Syed Salahudin's two sons in central Kashmir's Budgam and Srinagar districts, officials said. A team of NIA officials first attached a house in Ram Bagh area here registered in the name of Syed Ahmed Shakeel, son Salahudin, they said.