Complex sentence: The Madrasa touched the peak of fame and name during the time when Hadhrat Maulana Khalil Ahmad Saharanpuri (185-1927) and later Shaikhul Hadith Maulana Muhammad Zakariya Kandhlawi (1898--1982) taught there as Shaikh al-Hadith.
Split into simpler sentences: The Madrasa touched the peak of fame and name during the time when Hadhrat Maulana Khalil Ahmad Saharanpuri (185-1927). In this period, the famous Shaikhul Hadith Maulana Muhammad Zakariya Kandhlawi (1898--1982) taught there as Shaikh al-Hadith.