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,
Climate of Islamabad affects the upper and northern parts of Pakistan including Islamabad in every month and season. In this scenario Islamabad can receive heavy showers and rains in every month including March. The highest temperature is and the lowest is . The highest rainfall for March is (1984). Another Spring month with pleasant temperatures. The weather pattern of Islamabad in April is identical to that of March. The weather at few times gets hot in this month, the highest temperature recorded was (2006) and lowest temperature is (1994). Humidity remains low in this month about 24%. While the highest rainfall is (1983).