Complex sentence: Upon his return in 1957, Tahir Ahmad married Asifa Begum and was appointed the vice president of the newly established "Waqf-e-Jadid" Foundation, whose main task was to educate community members who lived in rural areas of Pakistan.
Split into simpler sentences: Upon his return in 1957, Tahir Ahmad married Asifa Begum and was appointed the vice president of the newly established "Waqf-e-Jadid" Foundation. The main task of the Waqf-e-Jadid was to educate community members that lived in rural areas of Pakistan.