Karachii is a nesting metropolis of over 20 million people, located on the southern coastline of Sindh Province next to the Arabian Sea. It is the industrial and commercial hub of Pakistan with several industrial zones, an international airport, two seaports and rail and road linkages to the rest of the country. With several renowned universities located in the city, Karachi is a major Centre for education and higher learning in South Asia and Muslim world. The city is an ongoing bonanza of shopping surprises that dizzies with enchanting sights and sounds of amazing bargains. Most hotels, restaurants and many shops accept credit cards. Pakistan standard time is Greenwich Time (GWT) +5hours. The electrical supply is 220-240 volts.