ISLAMABAD, April 19 -- A major reshuffle has taken place in Pakistan's federal cabinet, with the portfolios of several ministers having been changed, according to the Prime Minister's Office.

The dramatic development comes only hours after Asad Umar stepped down as the finance minister.

The portfolio of information minister has been taken away from Fawad Chaudhry, who has been named as the federal minister for science and technology.

Abdul Hafeez Sheikh has been named the advisor on finance, which makes him the de facto finance minister. In the past, he had served under former president Pervez Musharraf.

The minister of state for interior, Shehryar Afridi, has now been named the minister for states and frontier regions (Safron).

The Im...