Islamabad Capital Territory of Rawalpindi District, which is part of province of Punjab. Initially, it was proposed that the three areas would be connected by four major highways: Murree Highway, Islamabad Highway, Soan Highway, and Capital Highway. However, to date only two highways have been constructed: Kashmir Highway (the former Murree Highway) and Islamabad Highway. Plans of constructing Margalla Avenue are also underway. Islamabad is the hub all the governmental activities while Rawalpindi is the centre of all industrial, commercial, and military activities. The two cities are considered sister cities and are highly interdependent. Islamabad is a net contributor to the Pakistani economy,
Pakistan Academy of Sciences At first, the Academy was sited in Lahore and considerations were made to establish the headquarters of the Academy in Karachi—a temporary federal capital at that time. An additional office was established in Dhaka to support scientific activities in East Pakistan. In 1965, the headquarters of the academy was permanently shifted to Islamabad the federal capital and was located near the Quaid-e-Azam University until 1976. In 1976, the headquarters was shifted to a rented building in Islamabad, with financial assistance from the Pakistan Science Foundation (PSF). The rented building contained the library of the Academy, a committee room, office rooms