Fat'h Ul Mueen is one of the greatest works of Sheikh Zainuddin Makhdoom 2 .
Fat'h Ul Mueen is a textbook on Fiqh dealing with the Shafi'i school of Islamic jurisprudence .
Fat'h Ul Mueen , a textbook on Fiqh dealing with the Shafi'i school of Islamic jurisprudence , is one of the greatest works of Sheikh Zainuddin Makhdoom 2 .