Some useful links:
Government of Pakistan - Official Website
Ministry of Foreign Affairs - Pakistan
Ministry of Interior - Pakistan www.interior.gov.pk
Ministry of Tourism - Pakistan www.tourism.gov.pk
Ministry of Finance - Pakistan
Trade development Authourity of pakistan - Pakistan
Central Board of Revenue - Pakistan
Government of Balochistan www.balochistan.gov.pk
Government of Punjab www.punjab.gov.pk
Government of Sindh www.sindh.gov.pk
Government of NWFP www.nwfp.gov.pk
Government of Azad Jammu & Kashmir www.ajk.gov.pk
NADRA www.nadra.gov.pk
Higher Education Commission - Islamabad www.hec.gov.pk
The Federation of Pakistan Chamber of Commerce and Industry
Stock Exchanges of Pakistan