Complex sentence: He had also served as the IT Minister for the Sindh province from 2003 to 2005.Basically, he was a telephone operator at 90 (MQM headquarter) in karachi.
Split into simpler sentences: He had also served as the IT Minister for the Sindh province from 2003 to 2005. Formerly, he was a telephone operator at 90 (MQM headquarter) in Karachi.