Economic history of Pakistan canals, dams and power stations, began Pakistan's space programme. In 1959 the country began the construction of its new capital city. A Greek firm of architects, Konstantinos Apostolos Doxiadis, designed the master plan of the city based on a grid plan which was triangular in shape with its apex towards the Margalla Hills. The capital was not moved directly from Karachi to Islamabad; it was first shifted temporarily to Rawalpindi in the early sixties and then to Islamabad when the essential development work was completed in 1966. The partition of British India and the emergence of India and Pakistan in
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).