The Lashkar-e-Toiba militants killed in an encounter at New Delhi on Saturday night planned to attack software companies in Bangalore besides Indian Military Academy in Dehra Dun, Delhi police said on Sunday. The militants visited Bangalore in December last year and surveyed the location of several software companies there, joint commissioner of police (special cell) Karnal Singh told reporters. "They planned to hit economic installations to hinder the economic development of the country," he said. Three LeT militants, including two Pakistani nationals, were killed in an encounter at Suraj Vihar in Uttam Nagar area of southwest Delhi. The encounter followed the arrest of two of their associates earlier, one of whom had arrived from Jammu with a cache of ammunition for the militants.Singh said documents seized from the slain militants of the Pakistan-based LeT revealed that they planned to carry out suicide attacks on the IMA. The Pakistani militants had been identified as Bilawal (24), who hailed from Sargodha in Pakistan and Shahnawaz (25), who was from Sindh district. The third militant killed was Shams alias Pervez Ahmed (26), a resident of Patna, who had set up a base of the outfit in the Bihar capital.