Iran and Pakistan recently signed an export deal that commits Tehran to selling natural gas to Islamabad from 2014.
Clad in a black traditional sherwani, Gillani, the country's 25th prime minister and the first premier from the Pakistan People's Party who is not a member of the Bhutto family, was administered the oath by Musharraf in the central hall of the Aiwan-e-Sadr or presidency in Islamabad. The ceremony was delayed by almost an hour as Gillani had gone to Karachi on Monday to attend the wedding of his son and had to rush back to the federal capital on Tuesday.